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특허 상세정보

Ribbed funnel

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-029/085   
미국특허분류(USC) 21/0451 ; 21/047.7 ; 21/048.1 ; 21/049.73 ; 21/049.9 ; 21/045.5
출원번호 US-0112603 (1998-07-09)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Howell & Haferkamp, L.C.
인용정보 피인용 횟수 : 17  인용 특허 : 7
초록

A funnel having at least one channel or groove formed by projected ribs in the sidewalls of the funnel. The projections space the sides of a filter membrane placed inside the funnel, thereby preventing the sides of the filter insert from adhering to the sidewalls of the funnel and allowing the fluid to flow through the sides of the filter insert and into the grooves or channels that conduct the fluid to the discharge orifice of the funnel. The projected ribs are preferably a plurality of raised ribs arranged at approximately 45 degree intervals about the...

대표
청구항

[ What is claimed is:] [1.] A funnel for use with a filter, the funnel having a height and a center axis and a sidewall having at least one sidewall structure for supporting a filter in a spaced apart relationship from the funnel and forming a channel extending over a substantial portion of the height of the funnel to thereby direct a fluid being filtered down the funnel and toward an exit orifice, said sidewall structure consisting of a plurality of raised narrow ribs spatially arranged at approximately 45 degree intervals around the funnel center axis ...

이 특허를 인용한 특허 피인용횟수: 17

  1. Chen, Szu-Yu. Automatic cover-opening device. USP2017079694624.
  2. Yeh, Chin-Chen. Coffee filter with dual-lining. USP201707D790915.
  3. Yeh, Chin-Chen. Coffee filter with dual-lining. USP201707D791535.
  4. Gaus, Bruno. Filter for cleaning machines. USP2014068746461.
  5. Walter, Glen; Schloesser, Anne; Beck, Benjamin; Harting, David. Funnel set. USP2004056739363.
  6. Liao, Po Lin. Funnel structure of an oil case. USP201603D750677.
  7. Byron, Jr., Robert H.; McManus, Audrey A.; Scott, Ricky S.. Reactant source for an electrolysis cell. USP2003066576097.
  8. Hayakawa, Shigeru; Kitamura, Yoshiharu; Suzuki, Kazuo. Synthetic resin container having inverted, folded back bottom wall. USP2016019238521.
  9. Hayakawa, Shigeru; Kitamura, Yoshiharu; Suzuki, Kazuo. Synthetic resin container having inverted, folded back bottom wall. USP20180710023347.
  10. Hayakawa, Shigeru; Kitamura, Yoshiharu; Suzuki, Kazuo. Synthetic resin container having inverted, folded back bottom wall. USP2013078474650.
  11. Hayakawa, Shigeru; Kitamura, Yoshiharu; Suzuki, Kazuo. Synthetic resin container having inverted, folded back bottom wall. USP2013088505763.
  12. Hayakawa, Shigeru; Kitamura, Yoshiharu; Suzuki, Kazuo. Synthetic resin container having inverted, folded back bottom wall. USP2014068746494.
  13. Lambeth, Spencer J. Utility line shroud. USP20180810047877.
  14. Ruffin, Jr., Larry W.. Vented funnel. USP201608D763936.
  15. Ruffin, Larry. Vented funnel. USP201608D763335.
  16. Del Ponte, Michael Robert; Diebel, Markus Peter; Tan, Joe Sung-Ho. Water filter assembly. USP201604D753263.
  17. Del Ponte, Michael Robert; Diebel, Markus Peter; Tan, Joe Sung-Ho. Water infiltration system. USP201803D812187.