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특허 상세정보

Coffee filter ring

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-023/28   
미국특허분류(USC) 210/474 ; 210/479 ; 99/295
출원번호 US-0014032 (1987-02-12)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 14  인용 특허 : 0

A continuous generally frusto-conically shaped ring for use in retaining the side walls of conventional automatic drip type coffee filters in erect orientation within filter support trays and which include an annular flange which is engageable with the top or sides of the filter in such a manner so as to not interfere with the normal passage of hot water through the coffee filter.


A combination coffee filter and filter support for maintaining the sides of the filter in alignment with the side walls of a automatic drip coffee filter tray which is movably carried by an automatic drip coffee maker, comprising, a coffee filter element having a bottom wall and upwardly extending side walls, said side walls being of a first height, a generally circular and continuous ring element having generally frustro-conical side walls which taper inwardly from the upper to the lower portions thereof, said side walls of the ring element being of a s...

이 특허를 인용한 특허 피인용횟수: 14

  1. Fond Olivier (Yverdon CHX) Masek Petr (Yverdon CHX). Capsule package containing roast and ground coffee. USP1997065637335.
  2. Patel Dahyabhai U.,CAX. Coffee brew basket. USP199904D407602.
  3. Maria Agneza Valkovich CA. Coffee filter. USP200201D452633.
  4. Patrick McWilliams. Coffee filter. USP200204D455608.
  5. Johnstone Edna M. (3765 E. Smith Rd. Bellingham WA 98226). Coffee filter paper retainer. USP1990104963262.
  6. Franke Adrian R. (P.O. Box 204 Minden NV 89423) Hull Harold L. (401 Canyon Way ; Sp. 43 Sparks NV 89431). Coffee filter retainer. USP1989124885987.
  7. Johns, Walden R.. Coffee filter support. USP200511D511069.
  8. Dinos Jack A. (Atlanta GA). Disposable expandable tea cartridge. USP1991014983410.
  9. McMichael John R. (2126 Renz Rd. Durham CA 95938). Filter support for disposable coffee filters. USP1989094865737.
  10. Bielfeldt Uwe,DEX ; Kleemann Christof,DEX ; Stucher Reinhard,DEX ; Trebitz Bernd,DEX ; Emmerich Horst,DEX ; Friedrich Dieter,DEX ; Ziesch Christian,DEX ; Gliemroth Frank,DEX. Filtering device, filter element and method of manufacturing the filter element used for the preparation of brewed beverages. USP2001026189438.
  11. Rossi, Giampiero. Integral single use coffee filter. USP200408D494811.
  12. Rossi, Giampiero. Integral single use coffee filter. USP200412D500228.
  13. Scott George W. (5701 San Vincente Blvd. Los Angeles CA 90019). Packet with internal filter for coffee machines. USP1989014800089.
  14. Hertaus, Alan. Reusable coffee pod filter. USP201406D707489.