for differential operation of the relay

Patents Grantslast 30 patents

  • Information Patent Grant

    Power supply circuit, relay device and power over ethernet system

    • Patent number 11,232,922
    • Issue date Jan 25, 2022
    • HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD
    • Weimin Wang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical storage system

    • Patent number 10,115,549
    • Issue date Oct 30, 2018
    • Toyota Jidosha Kabushiki Kaisha
    • Hiromasa Tanaka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    Electromagnetic relay

    • Patent number 8,860,537
    • Issue date Oct 14, 2014
    • Nissan Motor Co., Ltd.
    • Yosuke Sora
    • H01 - BASIC ELECTRIC ELEMENTS
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    Control techniques for electrostatic microelectromechanical (MEM) s...

    • Patent number 8,102,637
    • Issue date Jan 24, 2012
    • Analog Devices, Inc.
    • William Hunt
    • H01 - BASIC ELECTRIC ELEMENTS
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    Electric motor circuit with overload protection

    • Patent number 7,184,249
    • Issue date Feb 27, 2007
    • Eaton Automotive B.V.
    • Ludovicus Cornelis Paulus Vermeulen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electronic switch for quick, automatic response to current overloads

    • Patent number 5,956,222
    • Issue date Sep 21, 1999
    • Target Hi-Tec Electronics Ltd.
    • Lupu Wittner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Sequential timing circuitry

    • Patent number 4,144,552
    • Issue date Mar 13, 1979
    • Dan Sibalis
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Differential relay arrangement for determining when one of two coop...

    • Patent number 3,975,721
    • Issue date Aug 17, 1976
    • Hermann Stribel KG
    • Albert Franz
    • H01 - BASIC ELECTRIC ELEMENTS
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    3571668

    • Patent number 3,571,668
    • Issue date Mar 23, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
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    3493816

    • Patent number 3,493,816
    • Issue date Feb 3, 1970
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    3337771

    • Patent number 3,337,771
    • Issue date Aug 22, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    3052852

    • Patent number 3,052,852
    • Issue date Sep 4, 1962
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2950423

    • Patent number 2,950,423
    • Issue date Aug 23, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
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    2727189

    • Patent number 2,727,189
    • Issue date Dec 13, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
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    2644118

    • Patent number 2,644,118
    • Issue date Jun 30, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
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    2612630

    • Patent number 2,612,630
    • Issue date Sep 30, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
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    2611808

    • Patent number 2,611,808
    • Issue date Sep 23, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
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    2529118

    • Patent number 2,529,118
    • Issue date Nov 7, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
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    2468308

    • Patent number 2,468,308
    • Issue date Apr 26, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
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    2364917

    • Patent number 2,364,917
    • Issue date Dec 12, 1944
    • G05 - CONTROLLING REGULATING
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    2350785

    • Patent number 2,350,785
    • Issue date Jun 6, 1944
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    2193427

    • Patent number 2,193,427
    • Issue date Mar 12, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
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    2089838

    • Patent number 2,089,838
    • Issue date Aug 10, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
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    2088305

    • Patent number 2,088,305
    • Issue date Jul 27, 1937
    • H01 - BASIC ELECTRIC ELEMENTS
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    2034881

    • Patent number 2,034,881
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    • H01 - BASIC ELECTRIC ELEMENTS
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    1962898

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    • H01 - BASIC ELECTRIC ELEMENTS
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    1881460

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    • H01 - BASIC ELECTRIC ELEMENTS
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    1696415

    • Patent number 1,696,415
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    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
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    1648674

    • Patent number 1,648,674
    • Issue date Nov 8, 1927
    • H01 - BASIC ELECTRIC ELEMENTS
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    1524534

    • Patent number 1,524,534
    • Issue date Jan 27, 1925
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents