for single phase ac

Patents Grantslast 30 patents

  • Information Patent Grant

    Assembly for connecting to a high-voltage grid

    • Patent number 11,626,244
    • Issue date Apr 11, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Christian Ettl
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Differential transformer correction by compensation

    • Patent number 5,747,980
    • Issue date May 5, 1998
    • Leviton Manufacturing Co., Inc.
    • Bernard Gershen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Aggregate current transformer

    • Patent number 5,576,921
    • Issue date Nov 19, 1996
    • Vacuumschmelze GmbH
    • Markus Brunner
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Inductive coupled power system

    • Patent number 4,833,337
    • Issue date May 23, 1989
    • Sundstrand Corporation
    • Arthur W. Kelley
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bobbin for a magnetic sensor

    • Patent number 4,825,166
    • Issue date Apr 25, 1989
    • Sundstrand Data Control, Inc.
    • Douglas C. MacGugan
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current transducer arrangement for outdoor high-voltage installations

    • Patent number 4,794,318
    • Issue date Dec 27, 1988
    • BBC Brown Boveri AG
    • Martin Maschek
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Watchdog circuit for transmission line sensor module

    • Patent number 4,786,862
    • Issue date Nov 22, 1988
    • Niagara Mohawk Power Corporation
    • Richard L. Sieron
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Face connected instrument transformer

    • Patent number 4,713,642
    • Issue date Dec 15, 1987
    • Westinghouse Electric Corp.
    • William R. Wolfe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Movable core transducer

    • Patent number 4,694,246
    • Issue date Sep 15, 1987
    • Societe Anonyme: Societe Europeenne de Propulsion
    • Jean-Bernard Avisse
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Current transformer

    • Patent number 4,032,837
    • Issue date Jun 28, 1977
    • Oy Stromberg AB
    • Kalevi Panu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Differential microampere current sensor

    • Patent number 3,996,513
    • Issue date Dec 7, 1976
    • Fred C. Butler
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    End cap for primary windings

    • Patent number 3,978,548
    • Issue date Sep 7, 1976
    • General Electric Company
    • Robert S. Canney
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Instrument transformer with cone-shaped insulating layer

    • Patent number 3,949,290
    • Issue date Apr 6, 1976
    • Kabushiki Kaisha Meidensha
    • Tomoyoshi Ochiai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3925744

    • Patent number 3,925,744
    • Issue date Dec 9, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3517361

    • Patent number 3,517,361
    • Issue date Jun 23, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3372283

    • Patent number 3,372,283
    • Issue date Mar 5, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3353132

    • Patent number 3,353,132
    • Issue date Nov 14, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2537773

    • Patent number 2,537,773
    • Issue date Jan 9, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1688748

    • Patent number 1,688,748
    • Issue date Oct 23, 1928
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents