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of voltage applied to the armature with or without control of field Ward-Leonard

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  • CPC
  • H02P7/14
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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 H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors

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H02P7/14of voltage applied to the armature with or without control of field Ward-Leonard
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric working machine
    • Patent number 9,473,055
    • Issue date Oct 18, 2016
    • Hitachi Koki Co., Ltd.
    • Tatsuya Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Dispenser having more than one output drive condition
    • Patent number 9,089,246
    • Issue date Jul 28, 2015
    • Georgia-Pacific Consumer Products LP
    • Brian S. Borke
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Rechargeable electric tool and method for manufacturing rechargeabl...
    • Patent number 8,963,458
    • Issue date Feb 24, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Motoharu Muto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Device for the incremental control of a direct-current motor for th...
    • Patent number 7,683,561
    • Issue date Mar 23, 2010
    • Robert Bosch GmbH
    • Richard Vogt
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stepped compound voltage control circuit of battery in combination...
    • Patent number 5,455,884
    • Issue date Oct 3, 1995
    • Tai-Her Yang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery operated device
    • Patent number 5,097,184
    • Issue date Mar 17, 1992
    • Hilti Aktiengesellschaft
    • Karl Echtler
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery-operated surface treatment apparatus having a booster function
    • Patent number 4,969,229
    • Issue date Nov 13, 1990
    • Aktiebolaget Electrolux
    • Joakim A. Svanberg
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Energy conversion apparatus
    • Patent number 4,395,664
    • Issue date Jul 26, 1983
    • William G. Terbush
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC Motor control using motor-generator set with controlled generato...
    • Patent number 4,323,830
    • Issue date Apr 6, 1982
    • The Franklin Institute
    • Charles A. Belsterling
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Half and full wave energizing system for permanent magnet D.C. motors
    • Patent number 4,220,901
    • Issue date Sep 2, 1980
    • Eaton Corporation
    • Merlin R. Dummer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Arrangement for tapping battery bank alternately from opposite ends
    • Patent number 4,131,833
    • Issue date Dec 26, 1978
    • Outboard Marine Corporation
    • Gerald N. McAuliffe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Wiring arrangement for blower motors of an air conditioner
    • Patent number 4,112,338
    • Issue date Sep 5, 1978
    • Nissan Motor Company, Limited
    • Teruo Kawasaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed control switch assembly
    • Patent number 4,088,852
    • Issue date May 9, 1978
    • Taylor-Dunn Manufacturing Company
    • Robert L. Van Doren
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed control
    • Patent number 4,019,106
    • Issue date Apr 19, 1977
    • Taylor-Dunn Manufacturing Company
    • Robert L. Van Doren
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rheostatic control system for a DC motor
    • Patent number 3,971,973
    • Issue date Jul 27, 1976
    • Nippondenso Co., Ltd.
    • Yoshinori Nakano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3611091
    • Patent number 3,611,091
    • Issue date Oct 5, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3536974
    • Patent number 3,536,974
    • Issue date Oct 27, 1970
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3497788
    • Patent number 3,497,788
    • Issue date Feb 24, 1970
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3469166
    • Patent number 3,469,166
    • Issue date Sep 23, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3416059
    • Patent number 3,416,059
    • Issue date Dec 10, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3411064
    • Patent number 3,411,064
    • Issue date Nov 12, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3404220
    • Patent number 3,404,220
    • Issue date Oct 1, 1968
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3257600
    • Patent number 3,257,600
    • Issue date Jun 21, 1966
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3200319
    • Patent number 3,200,319
    • Issue date Aug 10, 1965
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3052175
    • Patent number 3,052,175
    • Issue date Sep 4, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2786173
    • Patent number 2,786,173
    • Issue date Mar 19, 1957
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1826342
    • Patent number 1,826,342
    • Issue date Oct 6, 1931
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1514546
    • Patent number 1,514,546
    • Issue date Nov 4, 1924
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1506070
    • Patent number 1,506,070
    • Issue date Aug 26, 1924
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1492702
    • Patent number 1,492,702
    • Issue date May 6, 1924
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    CONFIGURABLE MOTOR SYSTEM
    • Publication number 20180138839
    • Publication date May 17, 2018
    • Black & Decker Inc.
    • Daniel Puzio
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DISPENSER HAVING MORE THAN ONE OUTPUT DRIVE CONDITION
    • Publication number 20140158809
    • Publication date Jun 12, 2014
    • GEORGIA-PACIFIC CONSUMER PRODUCTS LP
    • Brian S. Borke
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VARIABLE SPEED ELECTRIC MOTOR CONTROLLER
    • Publication number 20140117916
    • Publication date May 1, 2014
    • Alexander John Richard
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC WORKING MACHINE
    • Publication number 20140049204
    • Publication date Feb 20, 2014
    • Hitachi Koki Co., Ltd.
    • Tatsuya Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC TOOL
    • Publication number 20130271054
    • Publication date Oct 17, 2013
    • Makita Corporation
    • Masahiro Watanabe
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RECHARGEABLE ELECTRIC TOOL AND METHOD FOR MANUFACTURING RECHARGEABL...
    • Publication number 20130193881
    • Publication date Aug 1, 2013
    • PANASONIC CORPORATION
    • Motoharu Muto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Device for the Incremental Control of a Direct-Current Motor for th...
    • Publication number 20080002953
    • Publication date Jan 3, 2008
    • Richard Vogt
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER