with electronic tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit configuration for driving an ignition coil

    • Patent number 6,310,331
    • Issue date Oct 30, 2001
    • Infineon Technologies AG
    • Paul Nance
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3779226

    • Patent number 3,779,226
    • Issue date Dec 18, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2446888

    • Patent number 2,446,888
    • Issue date Aug 10, 1948
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2436905

    • Patent number 2,436,905
    • Issue date Mar 2, 1948
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2382808

    • Patent number 2,382,808
    • Issue date Aug 14, 1945
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2338906

    • Patent number 2,338,906
    • Issue date Jan 11, 1944
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2027617

    • Patent number 2,027,617
    • Issue date Jan 14, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2028066

    • Patent number 2,028,066
    • Issue date Jan 14, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1553829

    • Patent number 1,553,829
    • Issue date Sep 15, 1925
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS