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Patents Grantslast 30 patents

  • Information Patent Grant

    Micro water pump capable of controlling flow precisely

    • Patent number 10,458,402
    • Issue date Oct 29, 2019
    • XIAMEN CONJOIN ELECTRONICS TECHNOLOGY CO., LTD.
    • Hong Yan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Squeeze film damper valve for compressor cylinders

    • Patent number 8,240,330
    • Issue date Aug 14, 2012
    • Southwest Research Institute
    • James J. Moore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor inlet valve

    • Patent number 5,785,081
    • Issue date Jul 28, 1998
    • Westinghouse Air Brake Company
    • Julie A. Krawczyk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plate valve, particularly for piston compressors

    • Patent number 5,678,603
    • Issue date Oct 21, 1997
    • Hoerbiger Ventilwerke Aktiengesellschaft
    • Kurt Tschop
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Adjustable compressor valve which can accommodate changing operatin...

    • Patent number 4,869,289
    • Issue date Sep 26, 1989
    • Hoerbiger Ventilwerke Aktiengesellschaft
    • Hans Hrabal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shock absorber for a hydropneumatic vehicle suspension element

    • Patent number 4,858,736
    • Issue date Aug 22, 1989
    • S.A.M.M - Societe d'Applications des Machines Motrices
    • Alain Arnaud
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor

    • Patent number 4,360,319
    • Issue date Nov 23, 1982
    • Win Paget
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plate valve

    • Patent number 4,307,751
    • Issue date Dec 29, 1981
    • Edison International, Inc.
    • Thomas E. Mayer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve for piston compressors and pumps

    • Patent number 4,184,818
    • Issue date Jan 22, 1980
    • Dizelny Zavod "Dvigatel Revoljutsii"
    • Bogdan S. Petrovsky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3805827

    • Patent number 3,805,827
    • Issue date Apr 23, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3792718

    • Patent number 3,792,718
    • Issue date Feb 19, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3662541

    • Patent number 3,662,541
    • Issue date May 16, 1972
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3594824

    • Patent number 3,594,824
    • Issue date Jul 27, 1971
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3438394

    • Patent number 3,438,394
    • Issue date Apr 15, 1969
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3158175

    • Patent number 3,158,175
    • Issue date Nov 24, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3058487

    • Patent number 3,058,487
    • Issue date Oct 16, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2997060

    • Patent number 2,997,060
    • Issue date Aug 22, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2774375

    • Patent number 2,774,375
    • Issue date Dec 18, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2676614

    • Patent number 2,676,614
    • Issue date Apr 27, 1954
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2275627

    • Patent number 2,275,627
    • Issue date Mar 10, 1942
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2150808

    • Patent number 2,150,808
    • Issue date Mar 14, 1939
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2140328

    • Patent number 2,140,328
    • Issue date Dec 13, 1938
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2063111

    • Patent number 2,063,111
    • Issue date Dec 8, 1936
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1900228

    • Patent number 1,900,228
    • Issue date Mar 7, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1856617

    • Patent number 1,856,617
    • Issue date May 3, 1932
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1759301

    • Patent number 1,759,301
    • Issue date May 20, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1690836

    • Patent number 1,690,836
    • Issue date Nov 6, 1928
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1677056

    • Patent number 1,677,056
    • Issue date Jul 10, 1928
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1659816

    • Patent number 1,659,816
    • Issue date Feb 21, 1928
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1608616

    • Patent number 1,608,616
    • Issue date Nov 30, 1926
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Squeeze Film Damper Valve For Compressor Cylinders

    • Publication number 20110041929
    • Publication date Feb 24, 2011
    • SOUTHWEST RESEARCH INSTITUTE
    • James J. Moore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...