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특허 상세정보

Filtration device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-027/06    B01D-027/00   
미국특허분류(USC) 210/315; 055/520; 096/154; 210/489; 210/494.1; 210/497.01; 210/502.1
출원번호 US-0712085 (2000-11-14)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Dority & Manning
인용정보 피인용 횟수 : 34  인용 특허 : 27
초록

The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achieving a low pressure drop are also disclosed.

대표
청구항

What is claimed is: 1. A filtration device, comprising: an unfiltered fluid inlet surface, through which unfiltered fluid may enter the filtration device; a first filter media in fluid communication with the unfiltered fluid inlet surface, said first filter media being spirally wound and being positioned with respect to said unfiltered fluid inlet surface so that unfiltered fluid entering the filtration device through the unfiltered fluid inlet surface is directed to flow radially inward and through the first filter media, said first filter media being ...

이 특허에 인용된 특허 (27)

  1. Patrick Gilbert ; Patil Arvind S.. Antimicrobial filter cartridge. USP1998065762797.
  2. Vermes Sheldon A. (Shorewood MN) Botts David M. (Spring Park MN). Ceramic filter. USP1993125273650.
  3. Pall David B. (Roslyn Estates NY) Degen Peter J. (Huntington NY) Joffee Irving B. (Huntington NY) Foss Warren M. (Glen Cove NY) Gsell Thomas C. (Levittown NY). Charge-modified microfiber filter sheets. USP1985064523995.
  4. Moeglich Karl (Dunedin FL). Electrochemical processes utilizing a layered membrane. USP1982044326935.
  5. Kim Bang M. (Schenectady NY) Woodmansee Donald E. (Schenectady NY). Expanded fiber composite structure having a cylindrical shape and useful as a filter. USP1993125273818.
  6. Knauf ; Jr. Edmund R. (Sheboygan WI) Schumacher ; II Robert G. (Sheboygan Falls WI). Faucet assembly with replaceable filter. USP1996045510031.
  7. Norton William W. (Buffalo Grove IL). Faucet with microbial filter. USP1994035290443.
  8. Norton William W. (Lincolnshire IL). Faucet-mounted microbial filter. USP1990124980056.
  9. Heiligman Randy B. (2301 Indian Road West Minnetonka MN 55343). Faucet-mounted water filter with wall inlet and annular chamber. USP1991055017286.
  10. Heiligman Randy B. (Minnetoka MN). Faucet-mounted water filter with wall inlet and annular chamber. USP199711RE35667.
  11. Van Meter Arch (Hanover Park IL) Gartner William J. (Streamwood IL). Filter. USP1980074212743.
  12. John L. Pulek ; Thomas J. Hamlin ; Richard Sale ; C. Thomas Paul. Filter and method of filtering a fluid. USP2002056391200.
  13. Colvin Floyd E. (Tell City IN) Luttrell John E. (Tell City IN). Filter cartridge. USP1977094048075.
  14. Proulx Stephen ; Heise Michael L.,CAX. Filter cartridge construction and process for filtering particle-containing paint composition. USP1999126000558.
  15. Ruger Helmut (Pfaffen-Schwabenheim DEX) Karbachsch Massoud (Gottingen DEX). Filter cartridge or filter module consisting of flexible deep filter material. USP1992065122270.
  16. Szczepanik Michael F. (Melvindale MI). Filter for removing heavy metals from drinking water. USP1990024902427.
  17. Degen Peter J. (Huntington NY) Harwood Colin F. (Glen Cove NY) von Reitzenstein Clemens C. (Baldwin NY) Geibel Stephen A. (Cortland NY) Friel Raymond T. (East Meadow NY). Helical wrapped filter element. USP1994035290446.
  18. Magnusson Jan H. (117 Wild Wood Beach Rd. Mahtomedi MN 55115) Magnusson Kristofer J. (117 Wild Wood Beach Rd. Mahtomedi MN 55115). Iodine resin/carbon water purification system. USP1992065126044.
  19. Moeglich Karl (Dunedin FL). Membrane block construction and electrochemical cell. USP1982114361475.
  20. Ostreicher Eugene A. (Farmington CT). Particulate filter medium and process. USP1977024007113.
  21. Shimizu Kazuo (Nagoya JPX) Matumoto Satoru (Nagoya JPX) Nakagawa Makoto (Aichi-ken JPX) Endo Masashi (Gifu-ken JPX). Portable liquid purifying device having activated carbon filter and micro-porous membrane filter. USP1997105681463.
  22. Hiasa Masami (Kita-kyushu JPX) Ashie Nobuyuki (Kita-kyushu JPX) Saito Susumu (Kita-kyushu JPX) Ohtani Takayuki (Kita-kyushu JPX). Process for purifying water. USP1997035607595.
  23. Robinson Dennis L. (2015 S. Albert St. Allentown PA 18103). Shower water filter assembly. USP1993055213688.
  24. VanderBilt Herbert J. (Lowell MI) Modert Timothy D. (Grand Rapids MI). Water filter. USP1988064753728.
  25. Gelman Charles (Ann Arbor MI) Vadnay Attila (Ann Arbor MI). Water filter device. USP1977014001120.
  26. Bonazzo Robert (27 Bonazzo Dr. Trumbull CT 06883). Water filtration device. USP1985084536290.
  27. Corder Thomas E. (Ft. Collins CO). Water purifier apparatus. USP1979104172796.

이 특허를 인용한 특허 피인용횟수: 34

  1. Chase, Kevin M.; Spicer, Thomas Dell; Wohlgamuth, Lindsey Ann. Consumable descaling cartridges for a refrigerator appliance. USP2018029889478.
  2. Patera, Ginger Elayne; Kuehl, Steven John; Senninger, Mark M.. Customizable multi-stage water treatment assembly. USP2016049314716.
  3. Patera, Ginger Elayne; Kuehl, Steven John; Senninger, Mark M.. Customizable multi-stage water treatment system. USP20181210155669.
  4. Patera, Ginger Elayne; Kuehl, Steven John; Senninger, Mark M.. Customizable multi-stage water treatment system. USP2016059327216.
  5. Bradford, Scott Hugh; Casucci, Marco; Menegon, Italo Renzo; Manfredini Taube, Sara; Mathias Tingstrom, Torsten Rickard; Van Faasen, Joel Graham. Drop filter. USP201401D697170.
  6. Bradford, Scott Hugh; Van Faasen, Joel Graham. Drop filter and stand. USP201401D697172.
  7. Jackson, Beth; Cooper, David; Bradford, Scott. Drop filter engine frame. USP201412D719633.
  8. Jackson, Beth; Cooper, David; Bradford, Scott. Drop filter funnel portion. USP201408D711504.
  9. Cooper, Beth; Cooper, David; Bradford, Scott. Drop filter stand. USP201408D710970.
  10. Jackson, Beth; Cooper, David; Bradford, Scott. Drop filter top cap. USP201408D711503.
  11. Jackson, Beth; Cooper, David; Bradford, Scott. Drop shaped filter carrier. USP201408D710971.
  12. Bradford, Scott Hugh; Casucci, Marco; Cooper, David P.; Jackson, Beth M.; Kendall, James W.; Menegon, Italo Renzo; Patera, Ginger Elayne; Manfredini-Taube, Sara; Mathias-Tingstrom, Torsten Rickard; Vanfaasen, Joel Graham. Filter assembly and systems/methods of dispensing from and storing the filter assembly. USP2017019539526.
  13. Patera, Ginger Elayne; Kuehl, Steven John; Cooper, David P.. Filter housing for small media. USP2016049320993.
  14. Anantharamaiah, Nagendra; Freeman, William S.; Smith, Bruce. Filter media including polymer compositions and blends. USP2017079694306.
  15. Godsay, Milind; Keisler, Randall. Filter media suitable for hydraulic applications. USP2015028951420.
  16. Godsay, Milind; Keisler, Randall. Filter media suitable for hydraulic applications. USP20180710022657.
  17. Thomson, Cameron; Godsay, Milind; Keisler, Randall. Filter media suitable for hydraulic applications. USP2018049950284.
  18. Thomson, Cameron; Godsay, Milind; Keisler, Randall. Filter media suitable for hydraulic applications. USP2015028950587.
  19. Wertz, John A.; Guimond, Douglas M.. Filter media with a multi-layer structure. USP2016039283501.
  20. Wertz, John A.; Guimond, Douglas M.. Filter media with a multi-layer structure. USP20181210155187.
  21. Stausberg, Wolfgang; Dedering, Michael; Morgenstern, Robert; Klueser, Joerg. Filter with multiple media. USP2018049937449.
  22. Stausberg, Wolfgang; Dedering, Michael; Morgenstern, Robert; Klueser, Joerg. Filter with multiple media. USP2018059975070.
  23. Lepoutre, Edmond Pol Jean. Flexible porous non-pollutive tube. USP2018049932942.
  24. Levy, Ehud. Fluid purification media and systems and methods of using same. USP2014048702990.
  25. Levy, Ehud. Fluid purification media and systems and methods of using same. USP2014048701895.
  26. Bradford, Scott Hugh; Casucci, Marco; Cooper, David P.; Cur, Nihat O.; Jackson, Beth M.; Kee, Timothy A.; Kendall, James W.; Menegon, Italo Renzo; Myers, Verne H.; Patera, Ginger Elayne; Senninger, Mark M.; Stannis, Gordon Jay; Manfredini-Taube, Sara; Mathias-Tingstrom, Torsten Rickard; Vanfaasen, Joel Graham. Gravity fluid/water filter system. USP2017019550138.
  27. Chernov, Gregory Sergeevich; Krause, Andrew. Liquid filter assembly. USP20190210213712.
  28. Cur, Nihat O.; Goodwin, Kirk W.; Kee, Timothy A.; Kendall, James W.; Kuehl, Steven John; Myers, Verne H.; Patera, Ginger Elayne; Senninger, Mark M.. Liquid pitcher including divided fluid filter for inlet and outlet filtering. USP2017089731234.
  29. Bradford, Scott Hugh; Van Faasen, Joel Graham. Water filter suspension apparatus. USP201408D710969.
  30. Benoit, Kaitlyn M.; Cooper, David P.; Gregory, Christopher A.; Peters, Joseph R.. Water filtration pitcher. USP201712D805342.
  31. Bradford, Scott Hugh; Van Faasen, Joel Graham. Water funnel portion of a water filter. USP201401D697171.
  32. Bradford, Scott Hugh; Van Faasen, Joel Graham. Water pitcher with drop water filter. USP201401D697173.
  33. Cur, Nihat O.; Kendall, James W.; Patera, Ginger Elayne; Senninger, Mark M.. Water pitcher with filter. USP2016129511315.
  34. Hierro, Alain. Water treatment apparatus. USP201707D792553.