Periodically actuated valve

Patents Grantslast 30 patents

  • Information Patent Grant

    Control valve system with cycle monitoring, diagnostics and degrada...

    • Patent number 8,271,141
    • Issue date Sep 18, 2012
    • Ross Operating Valve Company
    • Eric O. Cummings
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rotary valve and analytical chromatographic system using the same

    • Patent number 7,503,203
    • Issue date Mar 17, 2009
    • Mecanique Analytique Inc.
    • Yves Gamache
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cross-over housing for gas lift valve

    • Patent number 6,491,105
    • Issue date Dec 10, 2002
    • Weatherford/Lamb, Inc.
    • James H. Holt
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Auto shutoff overflow controller

    • Patent number 6,154,144
    • Issue date Nov 28, 2000
    • Stephen Johnson
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Governor arrangement

    • Patent number 5,752,483
    • Issue date May 19, 1998
    • Lucas Industries, P.L.C.
    • Adrian Mark Greaney
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3085619

    • Patent number 3,085,619
    • Issue date Apr 16, 1963
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2969076

    • Patent number 2,969,076
    • Issue date Jan 24, 1961
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2965076

    • Patent number 2,965,076
    • Issue date Dec 20, 1960
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    2558495

    • Patent number 2,558,495
    • Issue date Jun 26, 1951
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2472050

    • Patent number 2,472,050
    • Issue date May 31, 1949
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2397213

    • Patent number 2,397,213
    • Issue date Mar 26, 1946
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2343542

    • Patent number 2,343,542
    • Issue date Mar 7, 1944
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2032553

    • Patent number 2,032,553
    • Issue date Mar 3, 1936
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1953302

    • Patent number 1,953,302
    • Issue date Apr 3, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1910581

    • Patent number 1,910,581
    • Issue date May 23, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1647429

    • Patent number 1,647,429
    • Issue date Nov 1, 1927
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1612600

    • Patent number 1,612,600
    • Issue date Dec 28, 1926
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1487709

    • Patent number 1,487,709
    • Issue date Mar 25, 1924
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1211007

    • Patent number 1,211,007
    • Issue date Jan 2, 1917
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    1041239

    • Patent number 1,041,239
    • Issue date Oct 15, 1912
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    963107

    • Patent number 963,107
    • Issue date Jul 5, 1910
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    900045

    • Patent number 900,045
    • Issue date Sep 29, 1908
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    840340

    • Patent number 840,340
    • Issue date Jan 1, 1907
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    825998

    • Patent number 825,998
    • Issue date Jul 17, 1906
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    800301

    • Patent number 800,301
    • Issue date Sep 26, 1905
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    691384

    • Patent number 691,384
    • Issue date Jan 21, 1902
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    684927

    • Patent number 684,927
    • Issue date Oct 22, 1901
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    668646

    • Patent number 668,646
    • Issue date Feb 26, 1901
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    638016

    • Patent number 638,016
    • Issue date Nov 28, 1899
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    627700

    • Patent number 627,700
    • Issue date Jun 27, 1899
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents