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Walter Stone

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  • Modesto, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multistage high capacity and depth coalescing media system
    • Patent number 9,604,167
    • Issue date Mar 28, 2017
    • Parker-Hannifin Corporation
    • Peter Popoff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Coalescing element
    • Patent number 8,034,240
    • Issue date Oct 11, 2011
    • Parker-Hannifin Corporation
    • Cheryl M. Reiland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dual pass fuel filter assembly and element therefor
    • Patent number 6,174,438
    • Issue date Jan 16, 2001
    • Parker-Hannifin Corporation
    • David H. Hodgkins
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter assembly with standpipe having valve element
    • Patent number 6,171,491
    • Issue date Jan 9, 2001
    • Parker-Hannifin Corporation
    • Peter Popoff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter with dual flow
    • Patent number 6,113,781
    • Issue date Sep 5, 2000
    • Parker-Hannifin Corporation
    • Peter Popoff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reusable oil filter assembly
    • Patent number 6,068,762
    • Issue date May 30, 2000
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter with valve device
    • Patent number 6,053,334
    • Issue date Apr 25, 2000
    • Parker Hannifin Customer Support Inc.
    • Peter Popoff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter element
    • Patent number 5,904,844
    • Issue date May 18, 1999
    • Parker Intangibles Inc.
    • Walter H. Stone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter assembly with in-line valve
    • Patent number 5,858,227
    • Issue date Jan 12, 1999
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter assembly with replaceable element having integral cover
    • Patent number 5,670,042
    • Issue date Sep 23, 1997
    • Parker-Hannifin Corporation
    • Michael D. Clausen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reversible filter element
    • Patent number 5,645,718
    • Issue date Jul 8, 1997
    • Parker-Hannifin Corporation
    • Steven D. Hardison
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter and priming pump
    • Patent number 5,643,446
    • Issue date Jul 1, 1997
    • Parker-Hannifin Corporation
    • Michael D. Clausen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter element
    • Patent number 5,622,623
    • Issue date Apr 22, 1997
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel Filter
    • Patent number 5,547,572
    • Issue date Aug 20, 1996
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter assembly with dual filter media and by-pass device
    • Patent number 5,458,767
    • Issue date Oct 17, 1995
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter assembly with reversible element
    • Patent number 5,362,389
    • Issue date Nov 8, 1994
    • Parker-Hannifin Corporation
    • Steven D. Hardison
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter assembly with heater
    • Patent number 5,244,571
    • Issue date Sep 14, 1993
    • Parker-Hannifin Corporation
    • John F. Church
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Thermostatically controlled fuel heater and cooler
    • Patent number 5,042,447
    • Issue date Aug 27, 1991
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Compact high efficiency fuel heater with integral thermostatic control
    • Patent number 5,036,825
    • Issue date Aug 6, 1991
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter assembly with heater
    • Patent number 4,997,555
    • Issue date Mar 5, 1991
    • Parker-Hannifin Corporation
    • John F. Church
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cartridge and cover assembly for fluid filters
    • Patent number 4,836,923
    • Issue date Jun 6, 1989
    • Parker-Hannifin Corporation
    • Peter Popoff
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter assembly with threaded collection bowl
    • Patent number 4,740,299
    • Issue date Apr 26, 1988
    • Parker-Hannifin Corporation
    • Peter Popoff
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter assembly with high pressure connection to collection bowl
    • Patent number 4,692,245
    • Issue date Sep 8, 1987
    • Parker-Hannifin Corporation
    • John F. Church
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Semipermeable baffle fuel filter
    • Patent number 4,668,393
    • Issue date May 26, 1987
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    End cap which will accommodate flow reversal
    • Patent number 4,626,348
    • Issue date Dec 2, 1986
    • Parker-Hannifin Corporation
    • Walter H. Stone
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Repelling-action filter unit and assembly
    • Patent number 4,619,764
    • Issue date Oct 28, 1986
    • Parker-Hannifin Corporation
    • John F. Church
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter assembly
    • Patent number 4,565,629
    • Issue date Jan 21, 1986
    • Parker-Hannifin Corporation
    • Michael E. Wilson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter assembly
    • Patent number 4,502,956
    • Issue date Mar 5, 1985
    • Racor Industries, Inc.
    • Michael E. Wilson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTISTAGE HIGH CAPACITY AND DEPTH COALESCING MEDIA SYSTEM
    • Publication number 20140197090
    • Publication date Jul 17, 2014
    • Peter Popoff
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    COALESCING ELEMENT
    • Publication number 20100219117
    • Publication date Sep 2, 2010
    • Cheryl M. Reiland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fuel filter
    • Publication number 20080105626
    • Publication date May 8, 2008
    • David Charles Jones
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fuel filter assembly with element having dual media
    • Publication number 20010004061
    • Publication date Jun 21, 2001
    • Peter Popoff
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL