[특허]Pipe splitting and spreading system

[미국특허] Pipe splitting and spreading system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-001/028
출원번호	US-0189687 (1994-02-01)
발명자 / 주소	Abrams Sam (P.O. Box 3626 Fort Myers FL 33918)
인용정보	피인용 횟수 : 135 인용 특허 : 0

초록 ▼

The invention discloses a system for splitting and spreading existing underground pipe and pipe fittings. A plurality of cutter wheels are positioned within a cutter assembly frame. A first cutter wheel cuts the pipe and scores the pipe fittings. A second cutter wheel rides in the path cut in the pipe by the first cutter wheel and cuts the pipe fittings. A plurality of paired pipe expanders are formed on the outer periphery of the cutter assembly frame. Pipe expanders contact the inner surface of the pipe wall and keep the cross section of the pipe circular while the cutter wheels cut through the pipe and pipe fittings. Also, the paired pipe expanders keep the cutter wheels in a vertical alignment and thirdly, they loosen and scrape residue and built-up material from the inner wall of the pipe. A mandrel is connected to the trailing end of the cutter assembly and to a pipe adapter which in turn is connected to a foremost section of new pipe. The mandrel spreads the cut pipe and fittings and pulls the pipe adapter and the new pipe through the bore of the existing pipe. A train comprised of multiple sections of steel rods is connected to a leading end of the cutter assembly and pulls the cutter assembly and mandrel and pipe adapter and the new pipe through the bore of the existing pipe and pipe fittings. Cable/winching means or hydraulic means supply the motive power to use and operate the system.

대표청구항 ▼

A pipe splitting and spreading system for replacing existing underground utility pipe and pipe fittings with new pipe comprising in combination: a cutter assembly having an elongated frame and a leading end and a trailing end and a plurality of co-aligned cutter wheels mounted longitudinally in the cutter assembly, the first cutter wheel for cutting through the existing utility pipe and scrubbing a scoring line on the existing utility pipe fittings, the second cutter wheel for cuttably engaging the existing utility pipe fittings in the scoring line, and cutting the existing utility pipe fittings along the scoring line, the cutter assembly further including a plurality of pipe expanders adapted for frictionally expanding the interior wall of the existing underground pipe and pipe fittings wherein the distance between extremities of one of the paired pipe expanders is greater than an inside diameter of the existing pipe; a mandrel having a first section adapted for coupling to the trailing end of the cutter assembly and a second section adapted for coupling to a pipe adapter, the mandrel being of a sufficient size to expand the existing cut underground pipe and pipe fittings as it traverses through a bore of the existing underground utility pipe and pipe fittings; and means for engaging the cutter assembly and pulling the cutter assembly and the mandrel and the pipe adapter and the new pipe connected to the pipe adapter through the bore of the existing underground utility pipe and pipe fittings.

이 특허를 인용한 특허 (135) 인용/피인용 타임라인 분석

Ring,Lev; Brisco,David Paul; Waddell,Kevin; Cook,Robert Lance, Adjustable expansion cone assembly.
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Noel, Greg, Anchor hangers.
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Brisco,David Paul, Apparatus and method for radially expanding and plastically deforming a tubular member.
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Franz-Josef Puttmann DE, Apparatus and method for the longitudinal splitting of pipes laid underground.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Apparatus for actuating an annular piston.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Bullock,Michael, Apparatus for coupling a tubular member to a preexisting structure.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Apparatus for forming a mono-diameter wellbore casing.
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Robert Lance Cook ; David Paul Brisco ; R. Bruce Stewart NL; Lev Ring ; Richard Carl Haut ; Robert Donald Mack, Apparatus for forming wellbore casing.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Apparatus for radially expanding a tubular member.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Apparatus for radially expanding a tubular member.
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Brisco, David Paul; Watson, Brock Wayne; Treece, Harold Otis, Apparatus for radially expanding and plastically deforming a tubular member.
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Butterfield, Jr., Charles Anthony; Brisco, David Paul, Apparatus for radially expanding and plastically deforming a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald, Apparatus for radially expanding and plastically deforming a tubular member.
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Watson, Brock Wayne; Brisco, David Paul, Apparatus for radially expanding and plastically deforming a tubular member.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Mack,Robert Donald; Duell,Alan B.; Filippov,Andrei Gregory, Apparatus for radially expanding tubular members.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Bullock,Michael, Apparatus for releasably coupling two elements.
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Watson, Brock Wayne; Brisco, David Paul, Bottom plug for forming a mono diameter wellbore casing.
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Herrick, Rod, Bursting head device.
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Watson, Brock Wayne; Brisco, David Paul, Collapsible expansion cone.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Concentric pipes expanded at the pipe ends and method of forming.
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Koch, Elmar; Köper, Martin; Püttmann, Franz-Josef, Cutting device for pipelines.
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Gissler Robert W. ; Holcombe Michael W. ; Purkis Daniel,GBX, Downhole tractor.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald; Duell, Alan B.; Filippov, Andrei Gregory, Expandable connector.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald; Duell, Alan B.; Filippov, Andrei Gregory, Expandable connector.
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Shuster, Mark, Expandable tubular.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Filippov,Andrei; Mack,Robert Donald; Duell,Alan B., Expandable tubulars with a radial passage and wall portions with different wall thicknesses.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald, Expander for a tapered liner with a shoe.
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Wijsman, Cornelius Jacobus, Expanding a tubular element in a wellbore.
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Shuster, Mark; Gray, Malcolm; Grinberg, Grigoriy; Shade, Matthew M.; Petlyuk, Alla; Costa, Scott; Wenning, Patrick; Oliosi, Claudio; Palaniswamy, Hariharasudhan; Ngaile, Gracious; Altan, Taylan, Expansion cone and system.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Duell,Alan B.; Filippov,Andrei Gregory, Expansion cone for radially expanding tubular members.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Duell,Alan B.; Filippov,Andrei Gregory, Expansion cone for radially expanding tubular members.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Flow control system for an apparatus for radially expanding tubular members.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Filippov, Andrei; Duell, Alan B., Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Mack, Robert Donald; Duell, Alan B.; Filippov, Andrei, Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Stewart, R. Bruce; Ring, Lev, Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Forming a wellbore casing while simultaneously drilling a wellbore.
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Shuster,Mark; Ring,Lev; Costa,Scott, Interposed joint sealing layer method of forming a wellbore casing.
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Cook Robert Lance, Isolation of subterranean zones.
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Cook, Robert Lance; Bullock, Michael, Isolation of subterranean zones.
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Cook, Robert Lance; Ring, Lev; Waddell, Kevin; Brisco, David Paul, Isolation of subterranean zones.
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Cook, Robert Lance; Waddell, Kevin; Ring, Lev; Brisco, David Paul, Isolation of subterranean zones.
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Cook,Robert Lance; Waddell,Kevin Karl; Ring,Lev; Brisco,David Paul; Rao,Vikram, Isolation of subterranean zones.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Liner hanger.
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Cook,Robert Lance; Ring,Lev; Brisco,David Paul, Liner hanger.
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Cook,Robert Lance; Ring,Lev; Brisco,David Paul, Liner hanger.
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Brisco, David Paul; Zwald, Jr., Edwin Arnold; Daigle, Chan; Noel, Gregory; Dean, William J.; Filippov, Andrei Gregory; Nida, Ronald D.; Cook, Robert Lance; Ring, Lev; Waddell, Kevin K.; Stephenson, W, Liner hanger with sliding sleeve valve.
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Brisco,David Paul; Zwald,Edwin Arnold; Daigle,Chan Lawrence; Noel,Gregory Marshall; Dean,William Joseph; Filippov,Andrei Gregory; Nida,Ronald D.; Cook,Robert Lance; Ring,Lev; Waddell,Kevin Karl; Step, Liner hanger with sliding sleeve valve.
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Cook,Robert Lance; Ring,Lev, Liner hanger with slip joint sealing members and method of use.
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Cook,Robert Lance; Ring,Lev, Liner hanger with standoffs.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Wyant, Reece E.; Ring, Lev; Nahm, James Jang Woo; Haut, Richard Carl; Mack, Robert Donald; Duell, Alan B.; Filippov, Andrei Gregory, Lubrication and self-cleaning system for expansion mandrel.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Wyant,Reece E.; Ring,Lev; Nahm,James Jang Woo; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B.; Filippov,Andrei Gregory, Lubrication and self-cleaning system for expansion mandrel.
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Shuster,Mark; Waddell,Kevin K.; Kendziora,Larry; Costa,Scott, Lubrication system for radially expanding tubular members.
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Shuster,Mark; Ring,Lev, Magnetic impulse applied sleeve method of forming a wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald, Jr.,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Method and apparatus for forming a mono-diameter wellbore casing.
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Tjader, Michael, Method and device for pipe splitting.
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Tjader, Michael, Method and device for pipe splitting.
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Tjader,Michael, Method and device for pipe splitting.
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Wentworth,Steven W., Method for extracting underground pipe.
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Takamatsu Nobuhisa,JPX ; Kurobe Takayuki,JPX ; Hirai Toshio,JPX ; Akesaka Toshio,JPX, Method for replacement of existing pipes and device for carrying out the method.
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Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Bullock,Michael, Method of applying an axial force to an expansion cone.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald; Duell, Alan B., Method of coupling a tubular member.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Method of coupling a tubular member to a preexisting structure.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Method of coupling a tubular member to a preexisting structure.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Method of creating a casing in a borehole.
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Robert Lance Cook ; David Paul Brisco ; R. Bruce Stewart NL; Lev Ring ; Richard Carl Haut ; Robert Donald Mack, Method of creating a casing in a borehole.
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Christian J. Brahler, Method of installing or replacing underground pipe.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Method of operating an apparatus for radially expanding a tubular member.
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Ring,Lev; Mack,Robert Donald; Filippov,Andrei Gregory, Method of selecting tubular members.
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Ring,Lev; Brisco,David Paul; Watson,Brock Wayne; Waddell,Kevin K., Mono diameter wellbore casing.
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Brisco,David Paul, Mono-diameter wellbore casing.
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Cook, Robert Lance; Ring, Lev; Dean, William J.; Waddell, Kevin Karl, Mono-diameter wellbore casing.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev, Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev, Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev, Mono-diameter wellbore casing.
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Cook,Robert Lance; Ring,Lev; Zwald, Jr.,Edwin A.; Filippov,Andrei Gregory; Waddell,Kevin K., Mono-diameter wellbore casing.
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Cook,Robert Lance; Zwald, Jr.,Edwin Arnold; Waddell,Kevin K.; Ring,Lev; Filippov,Andrei Gregory, Mono-diameter wellbore casing.
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Kendziora,Larry; Cook,Robert Lance; Ring,Lev; Brisco,David Paul, Mono-diameter wellbore casing.
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Carter, Robert Ward; Ding, Robert, Pipe bursting apparatus.
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Shuster, Mark; Ring, Lev, Pipe formability evaluation for expandable tubulars.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald; Duell, Alan B., Pipeline.
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Schwert Siegfried,DEX, Process and device for pulling a pipe laid or to be laid in the ground.
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Costa,Scott; Ring,Lev; Menchaca,Jose, Protective sleeve for expandable tubulars.
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Costa, Scott; Hockaday, Joel; Waddell, Kevin K.; Ring, Lev; Bullock, Michael; Cook, Robert Lance; Kendziora, Larry; Brisco, David Paul; Jackson, Tance, Protective sleeve for threaded connections for expandable liner hanger.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant, III,Thomas Patrick; Zwald, Jr.,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Cook,Robert Lance; Haut,Richard Carl; Ring,Lev; Grant,Thomas Patrick; Zwald,Edwin Arnold; Filippov,Andrei Gregory, Radial expansion of tubular members.
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Misaki, Takashi; Yamamoto, Shinichirou, Reactor.
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Wentworth, Steven W.; Crane, Robert F., Rod pushing and pulling machine.
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Gunsaulis, Floyd R.; Payne, David R.; Anderson, Michael L., Rotary driven pipe-bursting tool.
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Gunsaulis,Floyd R.; Self,Kelvin P., Rotary driven pipe-bursting tool.
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Waddell,Kevin Karl; Bullock,Michael Dennis; Hockaday,Joel Gray; Jackson,Tance Alan, Seal receptacle using expandable liner hanger.
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Shuster, Mark; Ring, Lev, Self-lubricating expansion mandrel for expandable tubular.
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Ring,Lev; Mack,Robert Donald; Filippov,Andrei Gregory, Structural support.
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Cook, Robert Lance; Haut, Richard Carl, System and method for driving pipe.
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Waddell,Kevin; Ring,Lev; Brisco,David Paul, System for lining a wellbore casing.
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Brisco,David Paul; Ring,Lev, System for radially expanding a tubular member.
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Ring,Lev, System for radially expanding a tubular member.
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Putnam,Samuel W., Tandem apparatus for bursting and replacing pipe.
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Tenbusch ; II Albert A., Technique for administering a lubricant in an underground pipe replacement system.
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Chau, Albert W.; Zeller, Rudolf; Mercer, John E.; Tsang, Charles Yu Yat, Tension monitoring arrangement and method.
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Chau, Albert W.; Zeller, Rudolf; Mercer, John E.; Tsang, Charles Yu Yat, Tension monitoring arrangement and method.
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Chau, Albert W.; Zeller, Rudolf; Mercer, John E.; Tsang, Charles Yu Yat, Tension monitoring arrangement and method.
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Chau, Albert W.; Zeller, Rudolf; Mercer, John E.; Tsang, Charles Yu Yat, Tension monitoring arrangement and method.
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Chau, Albert W.; Zeller, Rudolf; Mercer, John E.; Tsang, Charles Yu Yat, Tension monitoring arrangement and method.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald, Tie back liner for a well system.
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Tenbusch, II, Albert A., Trenchless pipe replacement apparatus and technique.
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Tenbusch ; II Albert A., Underground pipe replacement technique.
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Chau, Albert W.; Zeller, Rudolf; Mercer, John E.; Tsang, Charles Yu Yat, Utility pull-back tension monitoring arrangement with sensor output compensation and method.
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Miyako, Shigeru, Water catchment pipe burying assistance instrument and water catchment pipe burying method employing same.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Wellbore casing.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald, Wellbore casing.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald, Wellbore casing.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Haut, Richard Carl; Mack, Robert Donald, Wellhead.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald, Wellhead.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald, Wellhead with radially expanded tubulars.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Pipe splitting and spreading system 원문보기

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[미국특허] Pipe splitting and spreading system 원문보기

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