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John W. Zelahy

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  • Cincinnati, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and replacement member for repairing a gas turbine engine bl...
    • Patent number 4,326,833
    • Issue date Apr 27, 1982
    • General Electric Company
    • John W. Zelahy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Turbine engine blade with airfoil projection
    • Patent number 4,257,741
    • Issue date Mar 24, 1981
    • General Electric Company
    • Robert K. Betts
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Turbomachinery blade with improved tip cap
    • Patent number 4,247,254
    • Issue date Jan 27, 1981
    • General Electric Company
    • John W. Zelahy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas seal for turbine blade tip
    • Patent number 4,232,995
    • Issue date Nov 11, 1980
    • General Electric Company
    • Kenneth W. Stalker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas seal with tip of abrasive particles
    • Patent number 4,227,703
    • Issue date Oct 14, 1980
    • General Electric Company
    • Kenneth W. Stalker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for repairing a turbomachinery blade tip
    • Patent number 4,214,355
    • Issue date Jul 29, 1980
    • General Electric Company
    • John W. Zelahy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for making an improved gas seal
    • Patent number 4,169,020
    • Issue date Sep 25, 1979
    • General Electric Company
    • Kenneth W. Stalker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary labyrinth seal member
    • Patent number 4,148,494
    • Issue date Apr 10, 1979
    • General Electric Company
    • John W. Zelahy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for metal bonding
    • Patent number 4,144,433
    • Issue date Mar 13, 1979
    • General Electric Company
    • John W. Zelahy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for metal bonding
    • Patent number 4,012,616
    • Issue date Mar 15, 1977
    • General Electric Company
    • John W. Zelahy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents