Tubes with exclusively liquid main electrodes

Industry

  • CPC
  • H01J2893/0095
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    3405302

    • Patent number 3,405,302
    • Issue date Oct 8, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3263121

    • Patent number 3,263,121
    • Issue date Jul 26, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2740911

    • Patent number 2,740,911
    • Issue date Apr 3, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2728015

    • Patent number 2,728,015
    • Issue date Dec 20, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2679020

    • Patent number 2,679,020
    • Issue date May 18, 1954
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2673303

    • Patent number 2,673,303
    • Issue date Mar 23, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2641724

    • Patent number 2,641,724
    • Issue date Jun 9, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2432051

    • Patent number 2,432,051
    • Issue date Dec 2, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2287541

    • Patent number 2,287,541
    • Issue date Jun 23, 1942
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2216237

    • Patent number 2,216,237
    • Issue date Oct 1, 1940
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2215648

    • Patent number 2,215,648
    • Issue date Sep 24, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2064873

    • Patent number 2,064,873
    • Issue date Dec 22, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1952306

    • Patent number 1,952,306
    • Issue date Mar 27, 1934
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    1896651

    • Patent number 1,896,651
    • Issue date Feb 7, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1883398

    • Patent number 1,883,398
    • Issue date Oct 18, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1875963

    • Patent number 1,875,963
    • Issue date Sep 6, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1750482

    • Patent number 1,750,482
    • Issue date Mar 11, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1740030

    • Patent number 1,740,030
    • Issue date Dec 17, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1715874

    • Patent number 1,715,874
    • Issue date Jun 4, 1929
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1630233

    • Patent number 1,630,233
    • Issue date May 24, 1927
    • G02 - OPTICS
  • Information Patent Grant

    1611044

    • Patent number 1,611,044
    • Issue date Dec 14, 1926
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1602245

    • Patent number 1,602,245
    • Issue date Oct 5, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1582849

    • Patent number 1,582,849
    • Issue date Apr 27, 1926
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1568345

    • Patent number 1,568,345
    • Issue date Jan 5, 1926
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    1533900

    • Patent number 1,533,900
    • Issue date Apr 14, 1925
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1400346

    • Patent number 1,400,346
    • Issue date Dec 13, 1921
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1398545

    • Patent number 1,398,545
    • Issue date Nov 29, 1921
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1343037

    • Patent number 1,343,037
    • Issue date Jun 8, 1920
    • H01 - BASIC ELECTRIC ELEMENTS