consisting of lamellae or wires

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for the control of the vacuum

    • Patent number 5,674,434
    • Issue date Oct 7, 1997
    • Fernando A. Baptista
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2002928

    • Patent number 2,002,928
    • Issue date May 28, 1935
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS