incorporating rolling or tumbling contacts

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for providing power conversion using an interl...

    • Patent number 9,780,645
    • Issue date Oct 3, 2017
    • Enphase Energy, Inc.
    • Martin Fornage
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    High performance power input circuits using synchronized mechanical...

    • Patent number 9,536,690
    • Issue date Jan 3, 2017
    • Jeng-Jye Shau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2866020

    • Patent number 2,866,020
    • Issue date Dec 23, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2850693

    • Patent number 2,850,693
    • Issue date Sep 2, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2820114

    • Patent number 2,820,114
    • Issue date Jan 14, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2429659

    • Patent number 2,429,659
    • Issue date Oct 28, 1947
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2318503

    • Patent number 2,318,503
    • Issue date May 4, 1943
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2220897

    • Patent number 2,220,897
    • Issue date Nov 12, 1940
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2133980

    • Patent number 2,133,980
    • Issue date Oct 25, 1938
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2048998

    • Patent number 2,048,998
    • Issue date Jul 28, 1936
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1963876

    • Patent number 1,963,876
    • Issue date Jun 19, 1934
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1577685

    • Patent number 1,577,685
    • Issue date Mar 23, 1926
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER