TREA

Josef Keller

Follow

Person

  • Schweinfurt, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-speed drive hub for a bicycle
    • Patent number 6,039,671
    • Issue date Mar 21, 2000
    • Kun Teng Industry Co., Ltd.
    • Josef Keller
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Connection device for gearshift cable
    • Patent number 4,798,098
    • Issue date Jan 17, 1989
    • Fichtel & Sachs AG
    • Josef Keller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ratchet gear for the driving hub of a bicycle
    • Patent number 4,363,390
    • Issue date Dec 14, 1982
    • Fichtel & Sachs AG
    • Ewald Eisend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Derailler system
    • Patent number 4,343,613
    • Issue date Aug 10, 1982
    • Fichtel & Sachs AG
    • Berndt Leiter
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle wheel hub with coaster brake
    • Patent number 4,235,318
    • Issue date Nov 25, 1980
    • Fichtel & Sachs AG
    • Josef Keller
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS