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특허 상세정보

Pipe for underdraining

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E02B-013/00    F16L-011/11   
미국특허분류(USC) 405/43 ; 405/49 ; 138/173
출원번호 US-0887608 (1978-03-17)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 44  인용 특허 : 0
초록

A pipe for underdrainage comprises (1) a liquid-collecting pipe; (2) a plurality of discontinuous protrusions on the outer surface of the liquid-collecting pipe; (3) a filter layer capable of passing liquid while substantially excluding solids, the filter layer being disposed around the liquid-collecting pipe and contacting the top portions of the protrusions; and (4) a liquid-conducting way composed of a space communicating both in the longitudinal direction and in the peripheral direction of the liquid collecting pipe and defined by the protrusions, th...

대표
청구항

A pipe for underdrainage which comprises: (1) a liquid collecting pipe; (2) a plurality of discontinuous protrusions on the outer surface of the liquid collecting pipe; (3) a plurality of through-holes on the outer surface of the liquid collecting pipe and between the discontinuous protrusions; (4) a filter layer which permits the passage of liquids while substantially excluding solids, the filter layer being disposed around the liquid collecting pipe and contacting the top portions of the protrusions; and (5) a liquid conducting way composed of a space ...

이 특허를 인용한 특허 피인용횟수: 44

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  4. Webb Michael C.. Connecting device for pipe assemblies. USP2000026029505.
  5. Webb Michael C.. Connecting device for pipe assemblies. USP1999065911155.
  6. Overmyer, Stephen R.. Corrugated tube coupling. USP1985124557510.
  7. von Mohos, Zoltan. Device for receiving liquids in aircraft and/or releasing liquids therefrom. USP2015038978703.
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  10. Youngs Andrew. Double booted flexible entry boot. USP2000116145891.
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  12. Dempsey Barry J. (White Heath IL). Drainage mat. USP1987054662778.
  13. England,Andrew J.. Drainage system for sand bunker. USP2007047207747.
  14. Koerner, Dennis W.. Drainage unit with external covering and method for manufacture. USP2012098256990.
  15. Evans Kelvin Todd. Drainfield pipe. USP200106D443344.
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  17. Kelvin Todd Evans. Drainfield pipe installation device. USP2002016336770.
  18. Mantarro Joseph (Pensacola FL) Liu Keh-Chang (Pensacola FL) Dempsey Barry J. (White Heath IL). Elongated bendable drainage mat. USP1986024572700.
  19. Allard, Douglas Paul. Erosion control rolls. USP2003036527477.
  20. Allard, Douglas Paul. Erosion control rolls. USP2003116641335.
  21. Johnson, Richard C.; Egbert, Leigh B.. Erosion resistant waterwall. USP1985114554967.
  22. Nordstrom Daniel P. ; Youngs Andrew. Flexible entry boot. USP2001016173997.
  23. Nordstrom, Daniel P.; Youngs, Andrew. Flexible entry boot. USP2003096612620.
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  25. Beaty,Perry. Inflatable flow control apparatus and associated method. USP2008047357146.
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  27. Versaw ; Jr. Robert H. ; Mosier James W. ; Nordstrom Daniel P.. Integrally formed tank sump with water resistant lid assembly. USP2001026189717.
  28. Presby, David W.. Liquid waste treatment system. USP2015048999153.
  29. Nordstrom Daniel P.. Matingly engaged flexible entry boot. USP1999105967567.
  30. Vesterby Hans (Frederikshavn DKX). Method of causing sedimentation of sedimentary solid material transported in a body of water, such as a lake, a sea, or. USP1987024645377.
  31. Evans Kelvin Todd. Method of installing drainfield pipe. USP2000096120209.
  32. Froehly, Jean-Louis. Modular drainage unit. USP2004036712554.
  33. Seefert Kenneth F. (10003 Mendel Rd. Stillwater MN 55082). Modular rock replacing drain field apparatus. USP1986054588325.
  34. Presby David W.. Multi-layer material for processing septic efficient and waste water and method of using the same. USP1999095954451.
  35. David W. Presby. Plastic sewage pipe. USP2002106461078.
  36. Youngs Andrew ; Ashcraft Timothy A.. Secondary containment flexible underground piping system. USP200103RE37114.
  37. Miya Kiyoshi,JPX ; Tanaka Yoshihiro,JPX. Segment for intake tunnels. USP2001106302621.
  38. Miskovich, Joseph S.. Smooth interior water collection and storage assembly. USP2009127628566.
  39. DiTullio, Robert J.. Storm water reservoir with low drag. USP2005026854925.
  40. Laak Rein. Subterranean fluid filtering and drainage system. USP2000046048131.
  41. Youngs Andrew. System for housing secondarily contained flexible piping. USP1999025865216.
  42. Conti Allen C. (Garfield Heights OH) Conti Armand R. (Youngstown OH). Tubular apparatus for transmission cable. USP1991075027864.
  43. McDonald Carroll W. (3680 42nd Way S. ; #D St. Petersburg FL 33711). Underground irrigation system. USP1990024904112.
  44. Pate Harold T. (Solon OH) Fochler Helmut P. (Chagrin Falls OH). Wall drainage system. USP1982014309855.