in combination with discharge tubes or semiconductor devices

Patents Grantslast 30 patents

  • Information Patent Grant

    Taper type of battery charger

    • Patent number 3,956,683
    • Issue date May 11, 1976
    • Westinghouse Air Brake Company
    • Ralph Popp
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3848173

    • Patent number 3,848,173
    • Issue date Nov 12, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3812415

    • Patent number 3,812,415
    • Issue date May 21, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3660748

    • Patent number 3,660,748
    • Issue date May 2, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3379957

    • Patent number 3,379,957
    • Issue date Apr 23, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3329882

    • Patent number 3,329,882
    • Issue date Jul 4, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3260918

    • Patent number 3,260,918
    • Issue date Jul 12, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3258675

    • Patent number 3,258,675
    • Issue date Jun 28, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3247442

    • Patent number 3,247,442
    • Issue date Apr 19, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3230439

    • Patent number 3,230,439
    • Issue date Jan 18, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3217225

    • Patent number 3,217,225
    • Issue date Nov 9, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3215922

    • Patent number 3,215,922
    • Issue date Nov 2, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3205425

    • Patent number 3,205,425
    • Issue date Sep 7, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3178629

    • Patent number 3,178,629
    • Issue date Apr 13, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3102220

    • Patent number 3,102,220
    • Issue date Aug 27, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3102200

    • Patent number 3,102,200
    • Issue date Aug 27, 1963
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3102221

    • Patent number 3,102,221
    • Issue date Aug 27, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3099782

    • Patent number 3,099,782
    • Issue date Jul 30, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3098962

    • Patent number 3,098,962
    • Issue date Jul 23, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3073999

    • Patent number 3,073,999
    • Issue date Jan 15, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3054040

    • Patent number 3,054,040
    • Issue date Sep 11, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3040229

    • Patent number 3,040,229
    • Issue date Jun 19, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3038111

    • Patent number 3,038,111
    • Issue date Jun 5, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2978633

    • Patent number 2,978,633
    • Issue date Apr 4, 1961
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2875395

    • Patent number 2,875,395
    • Issue date Feb 24, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2709238

    • Patent number 2,709,238
    • Issue date May 24, 1955
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2675515

    • Patent number 2,675,515
    • Issue date Apr 13, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2628340

    • Patent number 2,628,340
    • Issue date Feb 10, 1953
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2488711

    • Patent number 2,488,711
    • Issue date Nov 22, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2390151

    • Patent number 2,390,151
    • Issue date Dec 4, 1945
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER