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Conrad Zellweger

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  • Chene-Bougeries, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cigarette lighter
    • Patent number 5,104,313
    • Issue date Apr 14, 1992
    • Parnat S.A.
    • Conrad Zellweger
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Cigarette lighter
    • Patent number 5,096,414
    • Issue date Mar 17, 1992
    • Parnat S.A.
    • Conrad Zellweger
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Method for the manufacture of a heating element
    • Patent number 5,051,220
    • Issue date Sep 24, 1991
    • Victor Spreter
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Spring-action hinge for spectacle frame
    • Patent number 5,018,242
    • Issue date May 28, 1991
    • LN Industries S.A.
    • Gabriel Guy
    • G02 - OPTICS
  • Information Patent Grant

    Device for igniting combustible materials
    • Patent number 4,859,174
    • Issue date Aug 22, 1989
    • LN Industries S.A.
    • Conrad Zellweger
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Spectacle frame with resilient hinges
    • Patent number 4,832,479
    • Issue date May 23, 1989
    • Karl-Heinz Beyer
    • G02 - OPTICS
  • Information Patent Grant

    Valve for filling a gas container
    • Patent number 4,658,871
    • Issue date Apr 21, 1987
    • Yves Gendey
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Igniter for combustible material
    • Patent number 4,583,940
    • Issue date Apr 22, 1986
    • Conrad Zellweger
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Heating device
    • Patent number 4,506,654
    • Issue date Mar 26, 1985
    • Pozel S.A.
    • Conrad Zellweger
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Device for controlling the mixture and flow of at least two fluids
    • Patent number 4,467,834
    • Issue date Aug 28, 1984
    • LN Industries S.A.
    • Jean-Denis Rochat
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Spectacle hinge
    • Patent number 4,222,148
    • Issue date Sep 16, 1980
    • La Nationale S.A.
    • Conrad Zellweger
    • G02 - OPTICS
  • Information Patent Grant

    Cigarette lighter
    • Patent number 4,102,633
    • Issue date Jul 25, 1978
    • La Nationale S.A.
    • Conrad Zellweger
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES