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  • Y10T307/375
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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

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Y10T307/375Different frequencies
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Patents Grantslast 30 patents

  • Information Patent Grant

    HVAC/R system with variable frequency drive (VFD) power supply for...
    • Patent number 8,299,646
    • Issue date Oct 30, 2012
    • Rocky Research
    • Uwe Rockenfeller
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Output buffer receiving first and second input signals and outputti...
    • Patent number 8,239,429
    • Issue date Aug 7, 2012
    • Atmel Corporation
    • Abdellatif Bendraoui
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Methods and systems for no-break power transfer converter
    • Patent number 8,159,086
    • Issue date Apr 17, 2012
    • GE Aviation Systems LLC
    • David Dimitri Karipides
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Remote control transmitter
    • Patent number 8,125,108
    • Issue date Feb 28, 2012
    • Panasonic Corporation
    • Tsutomu Yamagiwa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Apparatus and methods for reducing resonance in multiple inverter s...
    • Patent number 7,714,461
    • Issue date May 11, 2010
    • GM Global Technology Operations, Inc.
    • Brian A. Welchko
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Railway power supply system and method for powering an electrical d...
    • Patent number 7,547,988
    • Issue date Jun 16, 2009
    • General Electric Company
    • Stefano Orlandi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Sensing mechanical transitions from current of motor driving hydrau...
    • Patent number 7,453,224
    • Issue date Nov 18, 2008
    • Inpower LLC
    • James D. Sullivan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method and apparatus for multifrequency power distribution
    • Patent number 6,593,668
    • Issue date Jul 15, 2003
    • Intel Corporation
    • Josef C. Drobnik
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Fault tolerant isolation between devices powered by separate power...
    • Patent number 5,608,275
    • Issue date Mar 4, 1997
    • Dell USA L.P.
    • Farzad Khosrowpour
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power saving intermittently operated phase locked loop
    • Patent number 4,743,864
    • Issue date May 10, 1988
    • Hitachi, Ltd.
    • Jun'ichi Nakagawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Ripple control systems
    • Patent number 4,194,128
    • Issue date Mar 18, 1980
    • The Horstmann Gear Company Limited
    • Timothy J. Biglin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Apparatus and method for sustaining the operation of HID lamps
    • Patent number 4,057,750
    • Issue date Nov 8, 1977
    • Westinghouse Electric Corporation
    • Robert T. Elms
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3333119
    • Patent number 3,333,119
    • Issue date Jul 25, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3262522
    • Patent number 3,262,522
    • Issue date Jul 26, 1966
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3174053
    • Patent number 3,174,053
    • Issue date Mar 16, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2915743
    • Patent number 2,915,743
    • Issue date Dec 1, 1959
    • G08 - SIGNALLING
  • Information Patent Grant

    2703879
    • Patent number 2,703,879
    • Issue date Mar 8, 1955
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2617076
    • Patent number 2,617,076
    • Issue date Nov 4, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2496920
    • Patent number 2,496,920
    • Issue date Feb 7, 1950
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2399905
    • Patent number 2,399,905
    • Issue date May 7, 1946
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2301004
    • Patent number 2,301,004
    • Issue date Nov 3, 1942
    • G08 - SIGNALLING
  • Information Patent Grant

    2297380
    • Patent number 2,297,380
    • Issue date Sep 29, 1942
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1956350
    • Patent number 1,956,350
    • Issue date Apr 24, 1934
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    1913910
    • Patent number 1,913,910
    • Issue date Jun 13, 1933
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1881011
    • Patent number 1,881,011
    • Issue date Oct 4, 1932
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    1786815
    • Patent number 1,786,815
    • Issue date Dec 30, 1930
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1626856
    • Patent number 1,626,856
    • Issue date May 3, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1604163
    • Patent number 1,604,163
    • Issue date Oct 26, 1926
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1566208
    • Patent number 1,566,208
    • Issue date Dec 15, 1925
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1550166
    • Patent number 1,550,166
    • Issue date Aug 18, 1925
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents