TREA

Helmut Schafft

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  • D-7074 Mogglingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter pad
    • Patent number 4,986,913
    • Issue date Jan 22, 1991
    • Helmut Schafft
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of filtering
    • Patent number 4,925,570
    • Issue date May 15, 1990
    • Helmut Schafft
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter device
    • Patent number 4,655,919
    • Issue date Apr 7, 1987
    • Helmut Schafft
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of producing a filter pad
    • Patent number 4,647,415
    • Issue date Mar 3, 1987
    • Helmut Schafft
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL