Tubes having a single main anode

Industry

  • CPC
  • H01J13/50
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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of material by ultra-violet irradiation

    • Patent number 3,987,306
    • Issue date Oct 19, 1976
    • The Electricity Council
    • David Preston Simpson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Production of ultra-violet radiation

    • Patent number 3,942,018
    • Issue date Mar 2, 1976
    • The Electricity Council
    • David Preston Simpson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3586904

    • Patent number 3,586,904
    • Issue date Jun 22, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3395300

    • Patent number 3,395,300
    • Issue date Jul 30, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3290553

    • Patent number 3,290,553
    • Issue date Dec 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3134921

    • Patent number 3,134,921
    • Issue date May 26, 1964
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3104949

    • Patent number 3,104,949
    • Issue date Sep 24, 1963
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    2976451

    • Patent number 2,976,451
    • Issue date Mar 21, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2913620

    • Patent number 2,913,620
    • Issue date Nov 17, 1959
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2727168

    • Patent number 2,727,168
    • Issue date Dec 13, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2724786

    • Patent number 2,724,786
    • Issue date Nov 22, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2712086

    • Patent number 2,712,086
    • Issue date Jun 28, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2707245

    • Patent number 2,707,245
    • Issue date Apr 26, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2679611

    • Patent number 2,679,611
    • Issue date May 25, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2650318

    • Patent number 2,650,318
    • Issue date Aug 25, 1953
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2555843

    • Patent number 2,555,843
    • Issue date Jun 5, 1951
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2554733

    • Patent number 2,554,733
    • Issue date May 29, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2541842

    • Patent number 2,541,842
    • Issue date Feb 13, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2523056

    • Patent number 2,523,056
    • Issue date Sep 19, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2512299

    • Patent number 2,512,299
    • Issue date Jun 20, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2500153

    • Patent number 2,500,153
    • Issue date Mar 14, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2468037

    • Patent number 2,468,037
    • Issue date Apr 26, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2467772

    • Patent number 2,467,772
    • Issue date Apr 19, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2445075

    • Patent number 2,445,075
    • Issue date Jul 13, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2443444

    • Patent number 2,443,444
    • Issue date Jun 15, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2438179

    • Patent number 2,438,179
    • Issue date Mar 23, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2433181

    • Patent number 2,433,181
    • Issue date Dec 23, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2409715

    • Patent number 2,409,715
    • Issue date Oct 22, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2403700

    • Patent number 2,403,700
    • Issue date Jul 9, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2386322

    • Patent number 2,386,322
    • Issue date Oct 9, 1945
    • H01 - BASIC ELECTRIC ELEMENTS