using a spark-gap as detector

Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit arrangement for combined protection of a load from temporar...

    • Patent number 11,431,164
    • Issue date Aug 30, 2022
    • DEHN SE
    • Franz Schork
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Whip and loop interrupter combination

    • Patent number 11,101,637
    • Issue date Aug 24, 2021
    • Hubbell Incorporated
    • David Rhein
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Whip and loop interrupter combination

    • Patent number 10,541,528
    • Issue date Jan 21, 2020
    • Hubbell Incorporated
    • David Rhein
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Surge protection device and telecommunication equipment comprising...

    • Patent number 10,243,358
    • Issue date Mar 26, 2019
    • Telefonaktiebolaget LM Ericsson (publ)
    • Jianping Zheng
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Whip and loop interrupter combination

    • Patent number 10,148,081
    • Issue date Dec 4, 2018
    • Hubbell Incorporated
    • David Rhein
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Online monitoring circuit and method of the series compensation spa...

    • Patent number 10,107,838
    • Issue date Oct 23, 2018
    • STATE GRID COOPERATION OF CHINA
    • Guofu Li
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Optoelectronic component device and method for producing an optoele...

    • Patent number 10,074,619
    • Issue date Sep 11, 2018
    • Osram Opto Semiconductors GmbH
    • Torsten Baade
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Arrangement for overload protection for overvoltage protection equi...

    • Patent number 9,941,691
    • Issue date Apr 10, 2018
    • DEHN + SÖHNE GmbH + Co. KG
    • Uwe Strangfeld
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Mobile generator and mobile generator protective device

    • Patent number 8,953,287
    • Issue date Feb 10, 2015
    • KW-Generator GmbH & Co. KG
    • Michael Werner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power transforming system and method

    • Patent number 6,525,917
    • Issue date Feb 25, 2003
    • Hitachi, Ltd.
    • Hiroshi Arita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    No-zap low-cost lightning protection

    • Patent number 6,011,682
    • Issue date Jan 4, 2000
    • Matthew J. Storey
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical circuit protection apparatus

    • Patent number 3,959,694
    • Issue date May 25, 1976
    • Bell Telephone Laboratories, Incorporated
    • Edward George Walsh
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3487261

    • Patent number 3,487,261
    • Issue date Dec 30, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3450946

    • Patent number 3,450,946
    • Issue date Jun 17, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3348096

    • Patent number 3,348,096
    • Issue date Oct 17, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3339112

    • Patent number 3,339,112
    • Issue date Aug 29, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2817793

    • Patent number 2,817,793
    • Issue date Dec 24, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1859377

    • Patent number 1,859,377
    • Issue date May 24, 1932
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1494334

    • Patent number 1,494,334
    • Issue date May 20, 1924
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1352117

    • Patent number 1,352,117
    • Issue date Sep 7, 1920
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents