using electrical or electromechanical means

Patents Grantslast 30 patents

  • Information Patent Grant

    Stand-alone device for igniting, regulating and operating gas appli...

    • Patent number 5,975,884
    • Issue date Nov 2, 1999
    • H. Barry Bone
    • Arthur Ralph Dugger
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Fail safe control device

    • Patent number 5,266,779
    • Issue date Nov 30, 1993
    • Temp. Systems, Inc.
    • John J. Theiss
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Direct ignition gas burner control system

    • Patent number 4,243,373
    • Issue date Jan 6, 1981
    • Emerson Electric Co.
    • Carl F. Fernstrom
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Control apparatus for gas burning appliance

    • Patent number 4,102,628
    • Issue date Jul 25, 1978
    • Potterton International Limited
    • Paul Frederick Goff
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Gas burner control system with cycling pilot

    • Patent number 4,080,154
    • Issue date Mar 21, 1978
    • Emerson Electric Co.
    • Howard R. Kinsella
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Burner system with absorbent carbon flame responsive switch

    • Patent number 4,045,155
    • Issue date Aug 30, 1977
    • Robertshaw Controls Company
    • Denis G. Wolfe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Servo modulating regulating control system

    • Patent number 3,997,107
    • Issue date Dec 14, 1976
    • Raypak, Inc.
    • Leo Block
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Control systems for gaseous fuel fired appliances

    • Patent number 3,938,935
    • Issue date Feb 17, 1976
    • Radiation Limited
    • Harald Engelbert
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    3834856

    • Patent number 3,834,856
    • Issue date Sep 10, 1974
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    3765452

    • Patent number 3,765,452
    • Issue date Oct 16, 1973
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3576292

    • Patent number 3,576,292
    • Issue date Apr 27, 1971
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2936124

    • Patent number 2,936,124
    • Issue date May 10, 1960
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2890016

    • Patent number 2,890,016
    • Issue date Jun 9, 1959
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2800283

    • Patent number 2,800,283
    • Issue date Jul 23, 1957
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2797909

    • Patent number 2,797,909
    • Issue date Jul 2, 1957
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2757260

    • Patent number 2,757,260
    • Issue date Jul 31, 1956
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2642309

    • Patent number 2,642,309
    • Issue date Jun 16, 1953
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2592385

    • Patent number 2,592,385
    • Issue date Apr 8, 1952
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2564863

    • Patent number 2,564,863
    • Issue date Aug 21, 1951
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2510265

    • Patent number 2,510,265
    • Issue date Jun 6, 1950
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2507119

    • Patent number 2,507,119
    • Issue date May 9, 1950
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2336399

    • Patent number 2,336,399
    • Issue date Dec 7, 1943
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2038748

    • Patent number 2,038,748
    • Issue date Apr 28, 1936
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1941388

    • Patent number 1,941,388
    • Issue date Dec 26, 1933
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1905005

    • Patent number 1,905,005
    • Issue date Apr 25, 1933
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1883046

    • Patent number 1,883,046
    • Issue date Oct 18, 1932
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES