TREA

Tap-changing or variable number of cells

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  • CPC
  • Y10T307/538
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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION Y10T307/00Electrical transmission or interconnection systems

Current Industry

Y10T307/538Tap-changing or variable number of cells
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Backup power system management
    • Patent number 8,648,568
    • Issue date Feb 11, 2014
    • Hewlett-Packard Development Company, L.P.
    • Peter McCollum
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Uninterruptible power supply apparatus
    • Patent number 8,482,154
    • Issue date Jul 9, 2013
    • Toshiba Mitsubishi-Electric Industrial Systems Corporation
    • Eduardo Kazuhide Sato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charge of equalization apparatus with parallel connection of second...
    • Patent number 7,939,965
    • Issue date May 10, 2011
    • SK Energy Co., Ltd.
    • Jeon Keun Oh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus and methods for controlling operation of a single-phase v...
    • Patent number 7,759,913
    • Issue date Jul 20, 2010
    • Schweitzer Engineering Laboratories, Inc.
    • Casper A. Labuschagne
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus and methods for controlling operation of a single-phase v...
    • Patent number 7,504,806
    • Issue date Mar 17, 2009
    • Schweitzer Engineering Laboratories, Inc.
    • Casper A. Labuschagne
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery self-warming mechanism using the inverter and the battery m...
    • Patent number 6,882,061
    • Issue date Apr 19, 2005
    • DaimlerChrysler Corporation
    • Cyrus N. Ashtiani
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Function-expansion device detachably connecting electronic equipment
    • Patent number 6,742,070
    • Issue date May 25, 2004
    • Fujitsu Limited
    • Hidehiko Fuchida
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Battery cell equalization circuit
    • Patent number 5,956,241
    • Issue date Sep 21, 1999
    • Micro Linear Corporation
    • James J. LoCascio
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Momentary power outage carryover device
    • Patent number 5,548,166
    • Issue date Aug 20, 1996
    • Long Island Lighting Company
    • Ralph Stolowicki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Computer controlled motor vehicle battery circuit
    • Patent number 4,580,081
    • Issue date Apr 1, 1986
    • Outboard Marine Corporation
    • William R. Krueger
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3887860
    • Patent number 3,887,860
    • Issue date Jun 3, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3496450
    • Patent number 3,496,450
    • Issue date Feb 17, 1970
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3387194
    • Patent number 3,387,194
    • Issue date Jun 4, 1968
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3249836
    • Patent number 3,249,836
    • Issue date May 3, 1966
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2904739
    • Patent number 2,904,739
    • Issue date Sep 15, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1931867
    • Patent number 1,931,867
    • Issue date Oct 24, 1933
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1306539
    • Patent number 1,306,539
    • Issue date Jun 10, 1919
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1131435
    • Patent number 1,131,435
    • Issue date Mar 9, 1915
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    861155
    • Patent number 861,155
    • Issue date Jul 23, 1907
    • G01 - MEASURING TESTING
  • Information Patent Grant

    844090
    • Patent number 844,090
    • Issue date Feb 12, 1907
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    828315
    • Patent number 828,315
    • Issue date Aug 14, 1906
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    611778
    • Patent number 611,778
    • Issue date Oct 4, 1898
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    400726
    • Patent number 400,726
    • Issue date Apr 2, 1889
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    398926
    • Patent number 398,926
    • Issue date Mar 5, 1889
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    254948
    • Patent number 254,948
    • Issue date Mar 14, 1882
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents