formed by freely suspended particles

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  • H01H1/065
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic switch and uses thereof in wellbores

    • Patent number 9,771,778
    • Issue date Sep 26, 2017
    • Baker Hughes Incorporated
    • Keven O'Connor
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Low cost electrical power connectivity for railway systems manufact...

    • Patent number 7,549,521
    • Issue date Jun 23, 2009
    • Integral Technologies, Inc.
    • Thomas Aisenbrey
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Level/position sensor and related electronic circuitry for interact...

    • Patent number 6,995,680
    • Issue date Feb 7, 2006
    • Peter Sui Lun Fong
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Magnetically actuated pushbutton switch

    • Patent number 6,069,545
    • Issue date May 30, 2000
    • Duraswitch Industries, Inc.
    • Anthony J. Van Zeeland
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Position transducer

    • Patent number 4,333,066
    • Issue date Jun 1, 1982
    • The United States of America as represented by the Secretary of the Army
    • Charles D. Roach
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching element

    • Patent number 4,292,615
    • Issue date Sep 29, 1981
    • Shigeo Ohashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Non-resettable heat responsive safety switch

    • Patent number 4,025,889
    • Issue date May 24, 1977
    • Firma Microtherm GmbH
    • Gerhard Schwarz
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3422455

    • Patent number 3,422,455
    • Issue date Jan 14, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3200216

    • Patent number 3,200,216
    • Issue date Aug 10, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3088003

    • Patent number 3,088,003
    • Issue date Apr 30, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3005070

    • Patent number 3,005,070
    • Issue date Oct 17, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2972029

    • Patent number 2,972,029
    • Issue date Feb 14, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2971071

    • Patent number 2,971,071
    • Issue date Feb 7, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2961511

    • Patent number 2,961,511
    • Issue date Nov 22, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2951135

    • Patent number 2,951,135
    • Issue date Aug 30, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2935579

    • Patent number 2,935,579
    • Issue date May 3, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2917599

    • Patent number 2,917,599
    • Issue date Dec 15, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2687500

    • Patent number 2,687,500
    • Issue date Aug 24, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2668884

    • Patent number 2,668,884
    • Issue date Feb 9, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2660640

    • Patent number 2,660,640
    • Issue date Nov 24, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2500953

    • Patent number 2,500,953
    • Issue date Mar 21, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2203321

    • Patent number 2,203,321
    • Issue date Jun 4, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2015156

    • Patent number 2,015,156
    • Issue date Sep 24, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1868559

    • Patent number 1,868,559
    • Issue date Jul 26, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1380752

    • Patent number 1,380,752
    • Issue date Jun 7, 1921
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    685549

    • Patent number 685,549
    • Issue date Oct 29, 1901
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents