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특허 상세정보

Permanent coffee filter

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-023/28   
미국특허분류(USC) 210/470 ; 210/455 ; 210/474 ; 210/478
출원번호 US-0133437 (1987-12-15)
발명자 / 주소
인용정보 피인용 횟수 : 23  인용 특허 : 5
초록

The present invention relates to a reusable or permanent filter assembly useful in positioning and retaining the ground roast of coffee or tea in a hot water beverage maker. The plastic filter assembly consists of a separable outer container and an inner/perforated filtering element. The filtering element contains a plurality of equidistant holes or perforations that permits the rapid drip of a preferred beverage from the filter assembly.

대표
청구항

A reusable filter assembly for drip-type beverage makers comprising a container and a filtering member, said container comprising a cup-shaped appearance having an axially and centrally disposed orifice at its bottom end and a rectangularly contoured rim having a contiguously formed handle at its top end, a filtering element comprising a corresponding and alignable orifice at its bottom end, said filtering element having bottom and laterally equidistant perforations throughout, and a rectangularly contoured lip having laterally opposed handles on its top...

이 특허를 인용한 특허 피인용횟수: 23

  1. Pope Randy D.. Beverage brewing substance holder. USP200105D442430.
  2. Fischer Rudolph. Coffee brew basket. USP200004D423284.
  3. Sean Simmons. Coffee maker filter basket with steeping feature. USP2002076425317.
  4. Zhong, Weijun. Demountable filtering device. USP2012078221623.
  5. Cook, Matthew R.; Fu, Thomas Z.. Disposable cup with curved rib. USP201301D675089.
  6. Cook, Matthew R.; Fu, Thomas Z.. Disposable cup with straight rib. USP201301D675090.
  7. Cook, Matthew R.; Fu, Thomas Z.. Disposable cup with wave rib. USP201301D675091.
  8. Fu, Thomas Z.; Cook, Matthew R.. Disposable single use beverage filter basket. USP2017049629494.
  9. Fu, Thomas Z.; Cook, Matthew R.. Disposable single use beverage package. USP2017089743798.
  10. Fu, Thomas Z.; Cook, Matthew R.. Disposable single use beverage package. USP2016129527661.
  11. Fu, Thomas Z.; Cook, Matthew R.. Disposable single use beverage package. USP2015089108794.
  12. Dominguez,Augustin. Filter coffee maker with locking device for pivotable filter holder. USP2006057051647.
  13. Bodum, Jørgen. Filter insert. USP20180810045652.
  14. Yuan Kaixu. Filtration funnel with improved flow rate. USP1998085792356.
  15. Rudolph Fischer ; Ron Hinson ; James D. Hinson ; Roland D. Wolfe. Large brew basket. USP200206D459152.
  16. Fu, Thomas Z.; Cook, Matthew R.. Sealed beverage basket and method of making. USP2016099452879.
  17. Rivera, Adrian. Single serving reusable brewing material holder. USP2016039271597.
  18. Rivera, Adrian. Single serving reusable brewing material holder. USP2016019232872.
  19. Rivera, Adrian. Single serving reusable brewing material holder with offset passage for offset bottom needle. USP2016019232871.
  20. Roberts, Jeff. System for singly dispensing fibrous filters from bulk. USP2016039290342.
  21. Roberts, Jeffrey G.. System for singly dispensing fibrous filters from bulk. USP2017039592976.
  22. Roberts, Jeffrey G.. System for singly dispensing fibrous filters from bulk. USP2016039290343.
  23. Rudolph Fischer ; Ron Hinson ; James D. Hinson, Jr. ; Roland D. Wolfe. Tea brew basket. USP200207D460660.