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특허 상세정보

Check valve

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16K-015/03   
미국특허분류(USC) 137/5278
출원번호 US-0415742 (1973-11-14)
발명자 / 주소
인용정보 피인용 횟수 : 32  인용 특허 : 0
초록

A check valve comprising a sectional valve body adapted to be interposed in a flow line, a valve seat provided in one body portion, a pivotal clapper member movable toward and away from said valve seat to provide alternate open and closed positions for the valve and hanger means provided in the body including means for urging the clapper toward a normal closed position against the valve seat.

대표
청구항

A check valve comprising a first housing member having an inlet port provided therein, a second housing member removably secured to the first housing member and having an outlet port therein in substantial alignment with the inlet port, sleeve means removably secured to said first housing member in substantial alignment with the inlet port and having one end thereof extending into the interior of the second housing member to provide a valve seat for the valve, hanger means removably secured between the housing members and retained against one housing mem...

이 특허를 인용한 특허 피인용횟수: 32

  1. Baca, Matthew S.; Witkowski, Brian C.. Automated relief valve control system and method. USP2018019857807.
  2. Baca, Matthew S.; Witkowski, Brian C.. Automated relief valve control system and method. USP2016039273543.
  3. Baca, Matthew S.; Witkowski, Brian C.. Automated relief valve control system and method. USP2016049322243.
  4. Partridge ; Charles C. ; Boswell ; Howard G. ; Branch ; Lawrence E.. Check valve. USP1978034079751.
  5. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Check valve. USP1989034809739.
  6. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Check valve. USP1989034809741.
  7. Page Robert G. (Farnham GB2) Milton John S. (Guildford GB2). Check valve and a seal for a check valve. USP1987114706706.
  8. Fuller, Nadiya; Said, Nuder; Witkowski, Brian C.. Clapper valve. USP20190210197172.
  9. Marica, Adrian. Dampeners for pumping systems. USP2017019546648.
  10. Chaney David A. (Tulsa OK) Wallen Mark (Tulsa OK). Double containment fitting. USP1997045615700.
  11. Sliski Chester (Trenton NJ). Flapper check valve. USP1977084043358.
  12. Witkowski, Brian C.; Said, Nuder M.. Flowline flapper valve. USP2012098261771.
  13. Witkowski, Brian; Said, Nuder. Flowline flapper valve. USP2015038978695.
  14. Nolan John Howard (Lynchburg VA) Goddard Donald Lawrence (Lynchburg VA) Short Barrett John (Lynchburg VA). Industrial technique. USP1977124061535.
  15. Arizpe, Ron; Tsuei, Lun; Long, Timothy; Hardman, Adam; Green, Matthew. Manifold assembly. USP2017029568138.
  16. Peng, Wanwang. One-way check valve for solid particulate flow pipeline. USP2017069677676.
  17. Witkowski, Brian; Said, Nuder. Plug valve having preloaded seal segments. USP2015089103448.
  18. Witkowski, Brian; Said, Nuder. Plug valve having preloaded seal segments. USP2017059638337.
  19. Witkowski, Brian C.; Kotapish, Edward C.. Plug valve indicator. USP2015048998168.
  20. Marica, Adrian. Poppet valve for pump systems with non-rigid connector to facilitate effective sealing. USP2014068757592.
  21. Marica, Adrian. Pumping systems with dedicated surge dampeners. USP2016059328729.
  22. Witkowski, Brian; Said, Nuder. Seal assembly. USP201406D707332.
  23. Witkowski, Brian; Said, Nuder. Seal assembly. USP201507D734434.
  24. Wilkowski, Brian; Said, Nuder. Seal segment. USP201406D707797.
  25. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with hinge pin insert. USP1989084860789.
  26. Scaramucci John P. (10724 Woodridden Oklahoma City OK 73170). Swing check valve with removable cage and disc. USP1988114781212.
  27. Matzner, Mark D.; Witkowski, Brian C.. Swivel joint with uniform ball bearing requirements. USP2014108870233.
  28. Witkowski, Brian; Matzner, Mark D.. Swivel joint with uniform ball bearing requirements. USP2018059964245.
  29. Scaramucci Domer (3245 S. Hattie Oklahoma City OK 73129). Tilting disc check valve. USP1980104230150.
  30. Patterson, Steve; LaBenz, Joel; Briley, Ara; Villalba, Rene; Martin, Scott. Valve assemblies including corrugated flowbody and method for the manufacture thereof. USP2012118317158.
  31. Marica, Adrian. Valve cartridge for pump systems. USP2014098827242.
  32. Marica, Adrian. Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing. USP20181010094366.