Means for obtaining or maintaining the vacuum

Industry

  • CPC
  • H01J19/70
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum tube

    • Patent number 9,589,758
    • Issue date Mar 7, 2017
    • Noritake Itron Corporation
    • Kazunori Tatsuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum tube

    • Patent number 9,583,300
    • Issue date Feb 28, 2017
    • Noritake Itron Corporation
    • Kazunori Tatsuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum device having non-evaporable getter component with increased...

    • Patent number 7,608,998
    • Issue date Oct 27, 2009
    • Hewlett-Packard Development Company, L.P.
    • Sriram Ramamoorthi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum device having a getter

    • Patent number 7,045,958
    • Issue date May 16, 2006
    • Hewlett-Packard Development Company, L.P.
    • Sriram Ramamoorthi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Microdevice assembly having a fine grain getter layer for maintaini...

    • Patent number 6,867,543
    • Issue date Mar 15, 2005
    • Motorola, Inc.
    • Joe P. Wang
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Tube with bonded cathode and electrode structure and getter

    • Patent number 4,223,243
    • Issue date Sep 16, 1980
    • The United States of America as represented by the Secretary of the Army
    • David W. Oliver
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2880982

    • Patent number 2,880,982
    • Issue date Apr 7, 1959
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1688489

    • Patent number 1,688,489
    • Issue date Oct 23, 1928
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1578662

    • Patent number 1,578,662
    • Issue date Mar 30, 1926
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1527875

    • Patent number 1,527,875
    • Issue date Feb 24, 1925
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM TUBE

    • Publication number 20160211106
    • Publication date Jul 21, 2016
    • NORITAKE ITRON CORPORATION
    • Kazunori TATSUDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    VACUUM TUBE

    • Publication number 20160211107
    • Publication date Jul 21, 2016
    • NORITAKE ITRON CORPORATION
    • Kazunori TATSUDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Vacuum device having a getter

    • Publication number 20060164009
    • Publication date Jul 27, 2006
    • Sriram Ramamoorthi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum device having a getter

    • Publication number 20040201349
    • Publication date Oct 14, 2004
    • Sriram Ramamoorthi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Microdevice assembly having a fine grain getter layer for maintaini...

    • Publication number 20040189198
    • Publication date Sep 30, 2004
    • Joe P. Wang
    • B81 - MICRO-STRUCTURAL TECHNOLOGY