in oil-filled electric apparatus

Patents Grantslast 30 patents

  • Information Patent Grant

    Temperature based fluid level estimation in an electrical device

    • Patent number 11,437,185
    • Issue date Sep 6, 2022
    • Siemens Aktiengesellschaft
    • Simit Pradhan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical equipment for distribution network

    • Patent number 7,755,868
    • Issue date Jul 13, 2010
    • Luis Gonzalo Flores Losada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus and method for predicting an overload trip for an electri...

    • Patent number 6,727,821
    • Issue date Apr 27, 2004
    • Perseus 2000, LLC
    • Mark Anthony Weekes
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus for preventing thermal damage to an electrical power tran...

    • Patent number 6,424,266
    • Issue date Jul 23, 2002
    • NxtPhase Technology SRL
    • Mark Anthony Weekes
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    System for monitoring abnormality of oil-filled electric devices

    • Patent number 4,402,211
    • Issue date Sep 6, 1983
    • Hitachi, Ltd.
    • Katuo Sugawara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pressure and temperature responsive protective devices

    • Patent number 4,223,364
    • Issue date Sep 16, 1980
    • Harold L. Sangster
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device for overload protection of electric apparatus

    • Patent number 4,148,086
    • Issue date Apr 3, 1979
    • Mikhail L. Landa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Temperature sensing transformer primary switch

    • Patent number 4,053,938
    • Issue date Oct 11, 1977
    • RTE Corporation
    • Michael J. Estes
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3916258

    • Patent number 3,916,258
    • Issue date Oct 28, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3916260

    • Patent number 3,916,260
    • Issue date Oct 28, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3611034

    • Patent number 3,611,034
    • Issue date Oct 5, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3178295

    • Patent number 3,178,295
    • Issue date Apr 13, 1965
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3002128

    • Patent number 3,002,128
    • Issue date Sep 26, 1961
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2886805

    • Patent number 2,886,805
    • Issue date May 12, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2704841

    • Patent number 2,704,841
    • Issue date Mar 22, 1955
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2682173

    • Patent number 2,682,173
    • Issue date Jun 29, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2491798

    • Patent number 2,491,798
    • Issue date Dec 20, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2491338

    • Patent number 2,491,338
    • Issue date Dec 13, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2474825

    • Patent number 2,474,825
    • Issue date Jul 5, 1949
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2452961

    • Patent number 2,452,961
    • Issue date Nov 2, 1948
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2403372

    • Patent number 2,403,372
    • Issue date Jul 2, 1946
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2389373

    • Patent number 2,389,373
    • Issue date Nov 20, 1945
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2351983

    • Patent number 2,351,983
    • Issue date Jun 20, 1944
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2298229

    • Patent number 2,298,229
    • Issue date Oct 6, 1942
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2273540

    • Patent number 2,273,540
    • Issue date Feb 17, 1942
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2223531

    • Patent number 2,223,531
    • Issue date Dec 3, 1940
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2223530

    • Patent number 2,223,530
    • Issue date Dec 3, 1940
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2133945

    • Patent number 2,133,945
    • Issue date Oct 25, 1938
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2053952

    • Patent number 2,053,952
    • Issue date Sep 8, 1936
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2053944

    • Patent number 2,053,944
    • Issue date Sep 8, 1936
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents