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Liquid filter having improved extended polypropylene element 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-039/16
출원번호 US-0757599 (1977-01-07)
발명자 / 주소
  • Nedza
  • Donald A.
출원인 / 주소
  • Met-Pro Corporation
대리인 / 주소
    Woodcock, Washburn, Kurtz & Mackiewicz
인용정보 피인용 횟수 : 51  인용 특허 : 0

초록

An improved filter of the cartridge type having concentric inner and outer filter elements is disclosed. The elements are formed of non-woven polypropylene fibers. In a preferred embodiment the outer element is formed of a laminate including a supporting layer of a continuous filament and a filterin

대표청구항

대표청구항이 없습니다.

이 특허를 인용한 특허 (51)

  1. Donatelli,Christopher A., Adapter for filter cartridge.
  2. Dudrey Denis J. ; Kahlbaugh Brad ; Anderson Erland D., Air filtration arrangement and method.
  3. Patrick Gilbert ; Patil Arvind S., Antimicrobial filter cartridge.
  4. Patrick Gilbert ; Patil Arvind S., Antimicrobial filter cartridge.
  5. Patil Arvind S. ; Patrick Gilbert, Bacteriostatic filter cartridge.
  6. Kronsbein Dirk G. (Heinrich-Heine Allee 3 4000 Duesseldorf DEX), Cartridge filter.
  7. Morman Michael T. (Alpharetta GA), Composite nonwoven elastic web.
  8. Smith Rose C. ; Nohren John E., Enhanced in-bottle filtration mechanism and techniques.
  9. Hodge Joseph, Fan-fold filter for a forced air ventilation system.
  10. Hodge Joseph, Fan-fold filter for a forced air ventilation system.
  11. Robinson, Elwyn, Filter.
  12. Caronia Anthony J. (East Greenwich RI) Rucinski Kevin J. (Coventry RI) Cote ; Jr. Edmond H. (Warren RI) Gabrielson Robert (North Smithfield RI) Johnson Alan B. (Attleboro RI) Ruddy Lawrence A. (Pawtu, Filter & process for manufacturing filters using material cured by ultraviolet radiation for end caps.
  13. Nepsund Larry R. ; Abrahamson Kathleen A. ; Boeckermann Thomas A. ; Elfstrand James K., Filter arrangement including removable filter with first and second media secured together.
  14. Pall David B. (Roslyn Estates NY), Filter cartridge with castellated support and process of making the same.
  15. Black ; Jr. John J. (Canton CT) Lamb ; III Harold A. (Torrington CT), Filter cartridge with truncated sawtooth projection assembly.
  16. Van Rossen Leonard M. (Bunnik NLX) Dijkman Bertus (Breda NLX), Filter device for the filtration of fluids.
  17. Fischer, Niels, Filter element constructions.
  18. Nepsund Larry R. ; Abrahamson Kathleen A. ; Boeckermann Thomas A. ; Elfstrand James K., Filter element having circular sleeve.
  19. Nepsund Larry R. ; Abrahamson Kathleen A. ; Boeckermann Thomas A. ; Elfstrand James K., Filter sleeve.
  20. Hodge, Joseph, Filtered air vent.
  21. Jewell James E. (Centerport NY) Koslow Evan E. (Westport CT), Filtering apparatus.
  22. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
  23. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
  24. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
  25. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
  26. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement and method.
  27. Hartinger Edmund (Baden CHX) Jlke Elias (Wettingen CHX) Sandmann Harald (Nussbaumen CHX), Filtration process using polyolefin fibrids as filter aids.
  28. Morman Michael T. (Alpharetta GA), Gathered fibrous nonwoven elastic web.
  29. Skramstad, Rune, Horn loudspeaker and a sound source.
  30. Kinsley ; Jr. Homan B. (Powhatan VA), Hydroentangled composite filter element.
  31. Hoffmann Jrgen (Hardegsen-Ellierode DEX) Stinzendrfer Joachim (Gttingen DEX), Integral filters for separating fluid components and housing for them.
  32. Sharps ; Jr. Gordon V. (Fairport NY), Laminated plastic/non-woven film and its method of manufacture.
  33. Jiang, Zemin; Prater, Ted Franklin; Clevenger, Jr., John W.; Scheuren, John, Liquid filter with change interval indicator.
  34. Prater, Ted Franklin; Jiang, Zemin; Scheuren, John; Clevenger, Jr., John W.; Verdegan, Barry M., Liquid filter with separate and calibrated vapor release.
  35. Prater, Ted Franklin; Jiang, Zemin; Scheuren, John; Clevenger, Jr., John W.; Verdegan, Barry M., Liquid filter with separate and calibrated vapor release.
  36. Hayden Daniel B., Membrane-like filter element for chemical mechanical polishing slurries.
  37. Brown ; Jr. Hamilton P. (Hudson WI), Method and apparatus for degreasing fried foods.
  38. Bernard Edward G. (Pomona NY) Kochesky Francis K. (Newburgh NY), Method for filtration of coatings.
  39. Jackson William E. (Bloomington MN), Method for potting pleated filter media and filters made thereby.
  40. van Hattem Hendricus W. M. (Vlissingen NLX) Isendam Jules N. (Kesteren NLX), Method of making a fibrous thermally insulating layer of coherent structure, a layer made by this method, and a thermall.
  41. Nepsund Larry R. ; Abrahamson Kathleen A. ; Boeckermann Thomas A. ; Elfstrand James K., Method of servicing an air cleaner and of filtering engine intake air using prefilter arrangements.
  42. Johnson Bruce A., Mist collector and method.
  43. Reese Paul T. (New Holstein WI), Multi-stage air filter.
  44. Reese Paul T. (New Holstein WI), Multi-stage air filter.
  45. Taga Jun (Kawasaki JPX), Pleated and sealed filter cartridge with connected film.
  46. Erickson Arnold R. (Orange City FL), Support for backflushable filter media.
  47. Bortun,Anatoly I.; Bortun,Mila N.; Fischer,Francis J., Treating liquids with pH adjuster-based system.
  48. Oussoren Reinout G.,CHX ; Clements Jack T., Unitary filter cartridge.
  49. Oussoren Reinout G.,CHX ; Clements Jack T., Unitary filter cartridge.
  50. Oussoren, Reinout G.; Clements, Jack T., Unitary filter cartridge.
  51. Bortun,Anatoly I.; Bortun,Mila N.; Fischer,Francis J., pH adjuster-based system for treating liquids.
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