TREA

characterised by the material

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  • CPC
  • H01J19/30
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J19/00Details of vacuum tubes of the types covered by group H01J21/00

Current Industry

H01J19/30characterised by the material
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for controlling electron flow and method for manufacturing s...
    • Patent number 11,177,104
    • Issue date Nov 16, 2021
    • Evince Technology Limited
    • Gareth Andrew Taylor
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device for controlling electron flow and method for manufacturing s...
    • Patent number 11,094,496
    • Issue date Aug 17, 2021
    • Evince Technology Limited
    • Gareth Andrew Taylor
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Manhole base liner and method for manufacturing a manhole base liner
    • Patent number 10,340,112
    • Issue date Jul 2, 2019
    • Predl GmbH
    • Manfred Predl
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Phosphorus doped diamond electrode with tunable low work function f...
    • Patent number 9,922,791
    • Issue date Mar 20, 2018
    • Arizona Board of Regents on behalf of Arizona State University
    • Franz A. M. Koeck
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    Thermionic electron emitters/collectors have a doped diamond layer...
    • Patent number 8,188,456
    • Issue date May 29, 2012
    • North Carolina State University
    • Robert J. Nemanich
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cylindric grid electrode structure for electronic tubes comprising...
    • Patent number 3,971,964
    • Issue date Jul 27, 1976
    • BBC Brown Boveri & Company Limited
    • Julius Slosiar
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3816079
    • Patent number 3,816,079
    • Issue date Jun 11, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3772561
    • Patent number 3,772,561
    • Issue date Nov 13, 1973
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3632485
    • Patent number 3,632,485
    • Issue date Jan 4, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3611523
    • Patent number 3,611,523
    • Issue date Oct 12, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3604970
    • Patent number 3,604,970
    • Issue date Sep 14, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3591822
    • Patent number 3,591,822
    • Issue date Jul 6, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3590308
    • Patent number 3,590,308
    • Issue date Jun 29, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3580739
    • Patent number 3,580,739
    • Issue date May 25, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3551727
    • Patent number 3,551,727
    • Issue date Dec 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3549930
    • Patent number 3,549,930
    • Issue date Dec 22, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3535758
    • Patent number 3,535,758
    • Issue date Oct 27, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3530559
    • Patent number 3,530,559
    • Issue date Sep 29, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3526799
    • Patent number 3,526,799
    • Issue date Sep 1, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3524098
    • Patent number 3,524,098
    • Issue date Aug 11, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3453479
    • Patent number 3,453,479
    • Issue date Jul 1, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3397338
    • Patent number 3,397,338
    • Issue date Aug 13, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3389285
    • Patent number 3,389,285
    • Issue date Jun 18, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3361922
    • Patent number 3,361,922
    • Issue date Jan 2, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3323882
    • Patent number 3,323,882
    • Issue date Jun 6, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3307063
    • Patent number 3,307,063
    • Issue date Feb 28, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3271849
    • Patent number 3,271,849
    • Issue date Sep 13, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3246387
    • Patent number 3,246,387
    • Issue date Apr 19, 1966
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3210592
    • Patent number 3,210,592
    • Issue date Oct 5, 1965
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3202543
    • Patent number 3,202,543
    • Issue date Aug 24, 1965
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents