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Robert Hofer

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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel injection valve
    • Patent number 4,991,771
    • Issue date Feb 12, 1991
    • Sulzer Brothers Limited
    • Frederic Porchet
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Injection system for a valve of a diesel engine
    • Patent number 4,757,794
    • Issue date Jul 19, 1988
    • Sulzer Brothers Limited
    • Robert Hofer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reciprocating pump
    • Patent number 4,717,317
    • Issue date Jan 5, 1988
    • Sulzer Brothers Limited
    • Robert Hofer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cylinder head for a piston internal combustion engine
    • Patent number 4,612,898
    • Issue date Sep 23, 1986
    • Sulzer Brothers Limited
    • Anton Steiger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS