the flexible member being formed as an O-ring

Patents Grantslast 30 patents

  • Information Patent Grant

    Oblong diaphragm valves

    • Patent number 10,344,876
    • Issue date Jul 9, 2019
    • Entegris, Inc.
    • Iraj Gashgaee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump

    • Patent number 5,992,296
    • Issue date Nov 30, 1999
    • Akebono Brake Industry Co., Ltd.
    • Yukio Murata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm construction

    • Patent number 5,052,276
    • Issue date Oct 1, 1991
    • George H. Halsey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Metering pump with annular elements

    • Patent number 4,738,598
    • Issue date Apr 19, 1988
    • Alden A. Lofquist
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Metering pump with diaphragm

    • Patent number 4,637,784
    • Issue date Jan 20, 1987
    • Alden A. Lofquist
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumps

    • Patent number 4,115,041
    • Issue date Sep 19, 1978
    • William R. Selwood Limited
    • Peter Richard Selwood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3924973

    • Patent number 3,924,973
    • Issue date Dec 9, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3859010

    • Patent number 3,859,010
    • Issue date Jan 7, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3646052

    • Patent number 3,646,052
    • Issue date Feb 29, 1972
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3622251

    • Patent number 3,622,251
    • Issue date Nov 23, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3583836

    • Patent number 3,583,836
    • Issue date Jun 8, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3456591

    • Patent number 3,456,591
    • Issue date Jul 22, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3366067

    • Patent number 3,366,067
    • Issue date Jan 30, 1968
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3357358

    • Patent number 3,357,358
    • Issue date Dec 12, 1967
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3334679

    • Patent number 3,334,679
    • Issue date Aug 8, 1967
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3307492

    • Patent number 3,307,492
    • Issue date Mar 7, 1967
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3289551

    • Patent number 3,289,551
    • Issue date Dec 6, 1966
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3270684

    • Patent number 3,270,684
    • Issue date Sep 6, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3250477

    • Patent number 3,250,477
    • Issue date May 10, 1966
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3205826

    • Patent number 3,205,826
    • Issue date Sep 14, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3164100

    • Patent number 3,164,100
    • Issue date Jan 5, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3092032

    • Patent number 3,092,032
    • Issue date Jun 4, 1963
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2712793

    • Patent number 2,712,793
    • Issue date Jul 12, 1955
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2455480

    • Patent number 2,455,480
    • Issue date Dec 7, 1948
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2407792

    • Patent number 2,407,792
    • Issue date Sep 17, 1946
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2368131

    • Patent number 2,368,131
    • Issue date Jan 30, 1945
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2368132

    • Patent number 2,368,132
    • Issue date Jan 30, 1945
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2298402

    • Patent number 2,298,402
    • Issue date Oct 13, 1942
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2032148

    • Patent number 2,032,148
    • Issue date Feb 25, 1936
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1615140

    • Patent number 1,615,140
    • Issue date Jan 18, 1927
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Bellows Pump

    • Publication number 20140072465
    • Publication date Mar 13, 2014
    • Nippon Pillar Packing Co., Ltd.
    • Tomohiro Adachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump

    • Publication number 20100221131
    • Publication date Sep 2, 2010
    • Minoru Sangyo Co., Ltd
    • Toshiro Noritsugu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...