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by progressive reduction of resistance in series with armature winding

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  • CPC
  • H02P1/20
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HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS H02P1/00Arrangements for starting electric motors or dynamo-electric converters

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H02P1/20by progressive reduction of resistance in series with armature winding
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control circuit for an arrangement having at least two direct curre...
    • Patent number 7,656,107
    • Issue date Feb 2, 2010
    • Robert Bosch GmbH
    • Stefan Koch
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electrical hand-tool device and startup safety routine
    • Patent number 6,697,570
    • Issue date Feb 24, 2004
    • Hilti Aktiengesellschaft
    • Peter Hellmann
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor starting circuit
    • Patent number 5,077,823
    • Issue date Dec 31, 1991
    • CFR Corporation
    • Robert M. Barry
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic control system for motors and the like
    • Patent number 4,065,804
    • Issue date Dec 27, 1977
    • Rolf A. Rostad
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3895275
    • Patent number 3,895,275
    • Issue date Jul 15, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3757186
    • Patent number 3,757,186
    • Issue date Sep 4, 1973
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3735227
    • Patent number 3,735,227
    • Issue date May 22, 1973
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3586941
    • Patent number 3,586,941
    • Issue date Jun 22, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3390318
    • Patent number 3,390,318
    • Issue date Jun 25, 1968
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3388306
    • Patent number 3,388,306
    • Issue date Jun 11, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3350607
    • Patent number 3,350,607
    • Issue date Oct 31, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3344333
    • Patent number 3,344,333
    • Issue date Sep 26, 1967
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3231809
    • Patent number 3,231,809
    • Issue date Jan 25, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3218537
    • Patent number 3,218,537
    • Issue date Nov 16, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3195033
    • Patent number 3,195,033
    • Issue date Jul 13, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3162797
    • Patent number 3,162,797
    • Issue date Dec 22, 1964
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3067372
    • Patent number 3,067,372
    • Issue date Dec 4, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2813240
    • Patent number 2,813,240
    • Issue date Nov 12, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2646539
    • Patent number 2,646,539
    • Issue date Jul 21, 1953
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2646540
    • Patent number 2,646,540
    • Issue date Jul 21, 1953
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2602888
    • Patent number 2,602,888
    • Issue date Jul 8, 1952
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2478160
    • Patent number 2,478,160
    • Issue date Aug 2, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2452127
    • Patent number 2,452,127
    • Issue date Oct 26, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2418560
    • Patent number 2,418,560
    • Issue date Apr 8, 1947
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2417710
    • Patent number 2,417,710
    • Issue date Mar 18, 1947
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2399067
    • Patent number 2,399,067
    • Issue date Apr 23, 1946
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2367938
    • Patent number 2,367,938
    • Issue date Jan 23, 1945
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2354406
    • Patent number 2,354,406
    • Issue date Jul 25, 1944
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2321798
    • Patent number 2,321,798
    • Issue date Jun 15, 1943
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2223163
    • Patent number 2,223,163
    • Issue date Nov 26, 1940
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents