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Industry

  • CPC
  • H01J2893/004
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum sealing apparatus

    • Patent number 3,977,428
    • Issue date Aug 31, 1976
    • Siemens Aktiengesellschaft
    • Ernst Schilling
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3923189

    • Patent number 3,923,189
    • Issue date Dec 2, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3870393

    • Patent number 3,870,393
    • Issue date Mar 11, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3754674

    • Patent number 3,754,674
    • Issue date Aug 28, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3754156

    • Patent number 3,754,156
    • Issue date Aug 21, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3746917

    • Patent number 3,746,917
    • Issue date Jul 17, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3722074

    • Patent number 3,722,074
    • Issue date Mar 27, 1973
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3721948

    • Patent number 3,721,948
    • Issue date Mar 20, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3716744

    • Patent number 3,716,744
    • Issue date Feb 13, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3702408

    • Patent number 3,702,408
    • Issue date Nov 7, 1972
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3695860

    • Patent number 3,695,860
    • Issue date Oct 3, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3685005

    • Patent number 3,685,005
    • Issue date Aug 15, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3674586

    • Patent number 3,674,586
    • Issue date Jul 4, 1972
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3646405

    • Patent number 3,646,405
    • Issue date Feb 29, 1972
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3631589

    • Patent number 3,631,589
    • Issue date Jan 4, 1972
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3623855

    • Patent number 3,623,855
    • Issue date Nov 30, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3596955

    • Patent number 3,596,955
    • Issue date Aug 3, 1971
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    3582300

    • Patent number 3,582,300
    • Issue date Jun 1, 1971
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3551720

    • Patent number 3,551,720
    • Issue date Dec 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3543361

    • Patent number 3,543,361
    • Issue date Dec 1, 1970
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3515530

    • Patent number 3,515,530
    • Issue date Jun 2, 1970
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3514600

    • Patent number 3,514,600
    • Issue date May 26, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3513535

    • Patent number 3,513,535
    • Issue date May 26, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3504177

    • Patent number 3,504,177
    • Issue date Mar 31, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3502837

    • Patent number 3,502,837
    • Issue date Mar 24, 1970
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3481638

    • Patent number 3,481,638
    • Issue date Dec 2, 1969
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3468647

    • Patent number 3,468,647
    • Issue date Sep 23, 1969
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3458379

    • Patent number 3,458,379
    • Issue date Jul 29, 1969
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3452322

    • Patent number 3,452,322
    • Issue date Jun 24, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3448320

    • Patent number 3,448,320
    • Issue date Jun 3, 1969
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents