Douglas W. Ray

Person

  • Irwin, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Switch and relay using shape memory alloy

    • Patent number 6,133,816
    • Issue date Oct 17, 2000
    • Robertshaw Controls Corp.
    • Gregory Barnes
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Adaptive appliance control module including switching relay

    • Patent number 6,078,243
    • Issue date Jun 20, 2000
    • Gregory Barnes
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Adaptive control module using shape memory alloy

    • Patent number 6,049,267
    • Issue date Apr 11, 2000
    • Robertshaw Controls Company
    • Gregory Barnes
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control module using shape memory alloy

    • Patent number 6,016,096
    • Issue date Jan 18, 2000
    • Robertshaw Controls Company
    • Gregory Barnes
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Fluid control assembly

    • Patent number 5,988,215
    • Issue date Nov 23, 1999
    • Robertshaw Controls Co.
    • David D. Martin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fluid control assembly

    • Patent number 5,988,652
    • Issue date Nov 23, 1999
    • Robertshaw Controls Company
    • David D. Martin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fluid control assembly

    • Patent number 5,937,846
    • Issue date Aug 17, 1999
    • Robertshaw Controls Company
    • David D. Martin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Valving assembly

    • Patent number 5,791,631
    • Issue date Aug 11, 1998
    • Robertshaw Controls Company
    • David D. Martin
    • F24 - HEATING RANGES VENTILATING