TREA

Karl Blaas

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  • Buchs, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of forming openings
    • Patent number 4,807,587
    • Issue date Feb 28, 1989
    • Hilti Aktiengesellschaft
    • Daniel Baetschmann
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Hand-held tool with vibration dampening
    • Patent number 4,711,308
    • Issue date Dec 8, 1987
    • Hilti Aktiengesellschaft
    • Karl Blaas
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Capacitor-discharge stud welding machine
    • Patent number 3,984,653
    • Issue date Oct 5, 1976
    • Hilti Aktiengesellschaft
    • Karl Blaas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR