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Owen, Wickersham & Erickson, P.C.

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combustion and pollution control system
    • Patent number 4,541,367
    • Issue date Sep 17, 1985
    • Owen, Wickersham & Erickson, P.C.
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Combustion and pollution control system
    • Patent number 4,516,553
    • Issue date May 14, 1985
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Combustion and pollution control system
    • Patent number 4,476,817
    • Issue date Oct 16, 1984
    • Owen, Wickersham & Erickson, P.C.
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pressure-operated flow control valve and molding method
    • Patent number 4,465,095
    • Issue date Aug 14, 1984
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for heat storage in internal combustion engines
    • Patent number 4,414,932
    • Issue date Nov 15, 1983
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Combustion and pollution control system
    • Patent number 4,409,931
    • Issue date Oct 18, 1983
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Combustion and pollution control system
    • Patent number 4,393,817
    • Issue date Jul 19, 1983
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    PCV flow regulator
    • Patent number 4,172,437
    • Issue date Oct 30, 1979
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Precombustion chamber, stratified charge internal combustion engine...
    • Patent number 4,140,090
    • Issue date Feb 20, 1979
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluid mixing apparatus
    • Patent number 4,132,247
    • Issue date Jan 2, 1979
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluid flow regulator
    • Patent number 4,131,134
    • Issue date Dec 26, 1978
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Combustion control system for adding fluid above the butterfly valve
    • Patent number 4,112,892
    • Issue date Sep 12, 1978
    • Owen, Wickersham & Erickson
    • John E. Lindberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    74471031 - PAT PENDING
    • Serial number 74471031
    • Registration number 1867350
    • Filing date Dec 17, 1993
    • Owen, Wickersham & Erickson, P.C.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73592570 - OWEN, WICKERSHAM & ERICKSON
    • Serial number 73592570
    • Registration number 1419554
    • Filing date Apr 10, 1986
    • OWEN, WICKERSHAM & ERICKSON
    • 42 - Scientific and technological services and research and design relating thereto