Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual-drive device for sequential scanning, and associated method

    • Patent number 11,112,597
    • Issue date Sep 7, 2021
    • Thales
    • Stéphane Vezain
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Line start permanent magnet motor

    • Patent number 10,340,777
    • Issue date Jul 2, 2019
    • COREteQ Systems Ltd.
    • Philip Head
    • E21 - EARTH DRILLING MINING
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    Variable speed synchronous generator

    • Patent number 8,125,095
    • Issue date Feb 28, 2012
    • Christopher K. Duffey
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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    Hybrid induction motor

    • Patent number 7,439,644
    • Issue date Oct 21, 2008
    • LG Electronics Inc.
    • Jeong-Chul Kim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    Downhole torque-generating and generator combination apparatus

    • Patent number 7,141,901
    • Issue date Nov 28, 2006
    • Gregson William Martin Spring
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Downhole torque generator

    • Patent number 7,057,316
    • Issue date Jun 6, 2006
    • Gregson William Martin Spring
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Spindle with linear motor for axially moving a tool

    • Patent number 6,280,124
    • Issue date Aug 28, 2001
    • Ballado Investments Inc.
    • Beat Ammann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Apparatus for solving bearing life and torque compensation problems...

    • Patent number 6,124,687
    • Issue date Sep 26, 2000
    • Raytheon Company
    • Felix T. Sasso
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3821620

    • Patent number 3,821,620
    • Issue date Jun 28, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3686553

    • Patent number 3,686,553
    • Issue date Aug 22, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3403313

    • Patent number 3,403,313
    • Issue date Sep 24, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2444077

    • Patent number 2,444,077
    • Issue date Jun 29, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2309904

    • Patent number 2,309,904
    • Issue date Feb 2, 1943
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    1983896

    • Patent number 1,983,896
    • Issue date Dec 11, 1934
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1769652

    • Patent number 1,769,652
    • Issue date Jul 1, 1930
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1751484

    • Patent number 1,751,484
    • Issue date Mar 25, 1930
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1689525

    • Patent number 1,689,525
    • Issue date Oct 30, 1928
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1687700

    • Patent number 1,687,700
    • Issue date Oct 16, 1928
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1637393

    • Patent number 1,637,393
    • Issue date Aug 2, 1927
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1509985

    • Patent number 1,509,985
    • Issue date Sep 30, 1924
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents