With servo connection to valve

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for water treatment regeneration stage

    • Patent number 9,181,115
    • Issue date Nov 10, 2015
    • Pentair Residential Filtration, LLC
    • Andrew Tischendorf
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method for water treatment regeneration stage

    • Patent number 8,623,217
    • Issue date Jan 7, 2014
    • Pentair Residential Filtration, LLC
    • Andrew Tischendorf
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    System for water treatment regeneration stage

    • Patent number 8,500,999
    • Issue date Aug 6, 2013
    • Pentair Residential Filtration, LLC
    • Andrew Tischendorf
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Earthquake actuated horizontal valve with micro switch

    • Patent number 7,152,615
    • Issue date Dec 26, 2006
    • Paul D. Engdahl
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Earthquake actuated micro switch

    • Patent number 6,917,004
    • Issue date Jul 12, 2005
    • Paul D. Engdahl
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Valve closing apparatus responsive to movement

    • Patent number 5,271,425
    • Issue date Dec 21, 1993
    • Kenneth R. Swartzlander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas actuated valve system

    • Patent number 4,979,528
    • Issue date Dec 25, 1990
    • Andrene Associates
    • Martin R. Asbra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air actuated valve system with seismic controller

    • Patent number 4,920,999
    • Issue date May 1, 1990
    • Andrene Associates
    • Martin R. Asbra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air actuated valve system with seismic controller

    • Patent number 4,852,600
    • Issue date Aug 1, 1989
    • Andrene Associates
    • Martin R. Asbra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seismic trigger

    • Patent number 4,587,859
    • Issue date May 13, 1986
    • Graham E. Coombes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydrostatic drive units

    • Patent number 4,545,203
    • Issue date Oct 8, 1985
    • Linde Aktiengesellschaft
    • Horst Deininger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seismic trigger

    • Patent number 4,531,533
    • Issue date Jul 30, 1985
    • Graham E. Coombes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibration responsive mechanism

    • Patent number 4,201,536
    • Issue date May 6, 1980
    • Eiji Suzuki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Earthquake-responsive fuel shut-off device

    • Patent number 4,094,332
    • Issue date Jun 13, 1978
    • Joseph F. Poff
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control valve apparatus

    • Patent number 3,938,538
    • Issue date Feb 17, 1976
    • Westinghouse Electric Corporation
    • Thomas H. Putman
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3897717

    • Patent number 3,897,717
    • Issue date Aug 5, 1975
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3860170

    • Patent number 3,860,170
    • Issue date Jan 14, 1975
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3854775

    • Patent number 3,854,775
    • Issue date Dec 17, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3668998

    • Patent number 3,668,998
    • Issue date Jun 13, 1972
    • F21 - LIGHTING
  • Information Patent Grant

    3588188

    • Patent number 3,588,188
    • Issue date Jun 28, 1971
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3533425

    • Patent number 3,533,425
    • Issue date Oct 13, 1970
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3437010

    • Patent number 3,437,010
    • Issue date Apr 8, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3417985

    • Patent number 3,417,985
    • Issue date Dec 24, 1968
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3292977

    • Patent number 3,292,977
    • Issue date Dec 20, 1966
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3132659

    • Patent number 3,132,659
    • Issue date May 12, 1964
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3109441

    • Patent number 3,109,441
    • Issue date Nov 5, 1963
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3043321

    • Patent number 3,043,321
    • Issue date Jul 10, 1962
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3027776

    • Patent number 3,027,776
    • Issue date Apr 3, 1962
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2971499

    • Patent number 2,971,499
    • Issue date Feb 14, 1961
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2935844

    • Patent number 2,935,844
    • Issue date May 10, 1960
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents