Contact arrangements for providing make-before-break operation

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual load dimmer switch with vertical slider controls for fan speed...

    • Patent number 11,664,178
    • Issue date May 30, 2023
    • Enerlites Inc.
    • Lidong Ni
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch mechanism for activating different switches and portable ele...

    • Patent number 9,336,973
    • Issue date May 10, 2016
    • Wistron Corporation
    • Chen-Min Hsiu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Strip type off-circuit tap changer

    • Patent number 9,305,723
    • Issue date Apr 5, 2016
    • WUHAN TAIPU TRANSFORMER CHANGER CO., LTD.
    • Gang Liu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Protective circuit and protective plug for telecommunication instal...

    • Patent number 5,299,088
    • Issue date Mar 29, 1994
    • Krone AG
    • Robert Honl
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Binary action pressure switch

    • Patent number 5,149,927
    • Issue date Sep 22, 1992
    • Eaton Corporation
    • Daniel Stahly
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Linear transformer switch

    • Patent number 4,644,112
    • Issue date Feb 17, 1987
    • ASEA Electric, Inc.
    • Neil J. Kranich
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High voltage linear tap changer

    • Patent number 4,562,316
    • Issue date Dec 31, 1985
    • ASEA Electric, Inc.
    • Neil J. Kranich
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cable operated tap changer for a three-phase transformer

    • Patent number 4,504,811
    • Issue date Mar 12, 1985
    • Westinghouse Electric Corp.
    • Joseph M. Stunzi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical switch combined with fluid control device

    • Patent number 4,054,761
    • Issue date Oct 18, 1977
    • Indak Manufacturing Corporation
    • Andrew F. Raab
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Slide switch contact having plural flexible slats providing make be...

    • Patent number 4,042,795
    • Issue date Aug 16, 1977
    • Stackpole Components Company
    • Allan J. Sykora
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multiphase vacuum switch assembly having cam operated spring chargi...

    • Patent number 3,935,407
    • Issue date Jan 27, 1976
    • Maschinenfabrik Reinhausen Gebruder Scheubeck K.G.
    • Alexander Bleibtreu
    • H01 - BASIC ELECTRIC ELEMENTS
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    3852553

    • Patent number 3,852,553
    • Issue date Dec 3, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
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    3824355

    • Patent number 3,824,355
    • Issue date Jul 16, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
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    3739110

    • Patent number 3,739,110
    • Issue date Jun 12, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3684978

    • Patent number 3,684,978
    • Issue date Aug 15, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3673364

    • Patent number 3,673,364
    • Issue date Jun 27, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3290471

    • Patent number 3,290,471
    • Issue date Dec 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2942073

    • Patent number 2,942,073
    • Issue date Jun 21, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
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    2812478

    • Patent number 2,812,478
    • Issue date Nov 5, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
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    2801310

    • Patent number 2,801,310
    • Issue date Jul 30, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
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    2315264

    • Patent number 2,315,264
    • Issue date Mar 30, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
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    1391522

    • Patent number 1,391,522
    • Issue date Sep 20, 1921
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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    993526

    • Patent number 993,526
    • Issue date May 30, 1911
    • H01 - BASIC ELECTRIC ELEMENTS
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    848006

    • Patent number 848,006
    • Issue date Mar 26, 1907
    • H01 - BASIC ELECTRIC ELEMENTS
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    833129

    • Patent number 833,129
    • Issue date Oct 9, 1906
    • H01 - BASIC ELECTRIC ELEMENTS
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    693692

    • Patent number 693,692
    • Issue date Feb 18, 1902
    • H01 - BASIC ELECTRIC ELEMENTS
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    537412

    • Patent number 537,412
    • Issue date Apr 9, 1895
    • H01 - BASIC ELECTRIC ELEMENTS
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    518236

    • Patent number 518,236
    • Issue date Apr 17, 1894
    • H01 - BASIC ELECTRIC ELEMENTS
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    468752

    • Patent number 468,752
    • Issue date Feb 9, 1892
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    385001

    • Patent number 385,001
    • Issue date Jun 26, 1888
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents