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특허 상세정보

Anti-siphon frost free faucet

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-024/02   
미국특허분류(USC) 137/107 ; 137/218 ; 137/360
출원번호 US-0408369 (1989-09-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 36  인용 특허 : 3
초록

An anti-siphon frost free faucet having a neck portion that includes an anti-siphon back flow preventer interposed between the neck and a hose, a water drain means positioning at the lowest point in said faucet to facilitate complete water drainage of said faucet when a supply of water to said faucet is turned off and an air vent means on said faucet operable when said supply of water is turned off to allow air into said faucet to assure optimum pressure operate said drain means.

대표
청구항

In an anti-siphon water faucet adapted for exterior building mounting wherein there is a body portion that includes a first water cavity and a neck portion that includes a second water cavity that communicates with said first cavity, a handle means including a valve stem projecting through said faucet terminating in a valve means and engagable with a valve seat coupled to a water supply, and said neck portion including a threaded end portion, the improvement including: an anti-siphon water backflow fitting secured to said threaded neck portion and adapte...

이 특허를 인용한 특허 피인용횟수: 36

  1. Ackroyd Rand H. (Methuen MA). Anti-siphon frost-proof water hydrant. USP1991075029603.
  2. Korb, Yaakov; Pulver, Dale A.. Backpressure relief valve. USP2011037896024.
  3. Davidson, Sr.,Tom R.; Ferrari,Anthony; Walden,David M.; Rose,Matthew J.. Breathable fire hydrant rod. USP2008097428910.
  4. Davidson, Thomas Dewey. Fire hydrant with second valve. USP2005036868860.
  5. Davidson,Thomas Dewey. Fire hydrant with second valve. USP2007027174911.
  6. German, Mikhail; Fleury, Leo W.; Clark, Ken. Flapper disc. USP201001D607541.
  7. Beitzel Donald D. ; Yaste Robert. Flow actuated valve. USP2001086279594.
  8. Ball, William T.; Jackson, Cody W.; Almasy, Lawrence. Freeze protection device for wall hydrants/faucets. USP2005046883534.
  9. Shuler James F. ; Almasy Lawrence. Freeze protection device for wall hydrants/faucets. USP2000116142172.
  10. Stanaland, William A.; Buehler, Stephen L.. Freeze resistant automatic draining wall hydrant with dual check vacuum breaker. USP2004066752167.
  11. Huang,Chung Yi. Freeze safe valve. USP2008127458388.
  12. Ryan John Patrick. Freezeless dripping wall faucet-hydrant. USP1999095947150.
  13. Ball, William T.. Freezeless protection device for wall hydrants/faucets. USP2004126830063.
  14. Shuler James F. ; Dickey Alfred F. ; Carlson William L.. Freezeless wall hydrant for delivery of hot or cold water through a single discharge conduit. USP2001036206039.
  15. Shuler,James F.; Dickey,Alfred F.; Carlson,William L.. Freezerless wall hydrant for delivery of hot or cold water through a single discharge conduit. USP200608RE39235.
  16. Berkman, Peter; Tripp, Robert; Mieseler, Ralph; Alzares, Igor. Frost free valve assembly. USP2005046880573.
  17. Berkman,Peter; Li,Shi James. Frost free valve assembly. USP2006117140390.
  18. Almasy Lawrence ; Shuler James F.. Heated yard hydrant. USP2000106135359.
  19. Ball, William T.. Hydrant roof mount. USP2010067730901.
  20. German, Mikhail; Fleury, Leo W.; Clark, Ken. Hydrant shoe. USP200905D591831.
  21. German, Mikhail; Fleury, Leo W.; Clark, Ken. Hydrant shoe with backflow prevention assembly. USP2010037686031.
  22. German, Mikhail; Fleury, Leo W.; Clark, Ken. Hydrant shoe with backflow prevention assembly. USP2009047520294.
  23. Scobie, William Bryce; Roy, Normand James. Keyless fire hydrant protection system. USP2009077559338.
  24. Brattoli, Michael A.; Kacik, Mark S.; Relyea, Christopher; Smith, Mathew; Talley, Allen. Mixing sillcock. USP2009057533686.
  25. Poskin, Joe; Brady, Scott. Non-freeze wall hydrant. USP2009107607453.
  26. Davidson, Sr., Tom R.; Phillips, David; Ferrari, Anthony; Walden, David Michael. Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve. USP2010087775231.
  27. Davidson, Sr.,Thomas Dewey; Ferrari,Anthony; Walden,David Michael; Rose,Matthew Jesse. Retrofitting a fire hydrant with secondary valve. USP2007077240688.
  28. Hoang, Thao; Pondelick, Mark A.; Hardwick, Christopher. Rinse valve for vacuum waste system. USP2016089422706.
  29. Ball, William T.; Pilarczyk, Eric; Jackson, Cody. Sanitary hydrant. USP2018029890867.
  30. Ball, William T.; Pilarczyk, Eric; Jackson, Cody. Sanitary hydrant. USP2016019228327.
  31. Ball, William T.; Pilarczyk, Eric; Jackson, Cody. Sanitary hydrant. USP2013078474476.
  32. Ball, William T.; Pilarczyk, Eric; Jackson, Cody. Sanitary hydrant. USP2015028955538.
  33. Ball, William T.; Pilarczyk, Eric; Jackson, Cody. Sanitary hydrant. USP2017039593471.
  34. Threlkeld, David Michael. Self-draining frost-free faucet. USP2013038387651.
  35. Fleischmann Gary A. (Sheboygan WI). Vacuum breaker for faucets. USP1996115575424.
  36. Davidson, Sr., Thomas Dewey; Walden, David Michael; Ferrari, Anthony; Phillips, David; Sims, O. G.; Rose, Matthew Jesse. Wet barrel fire hydrant system with second valve. USP2009087575017.