Inventor

MATHEIS AXEL

DE3 patents

Patents

3 patents

US6935988B2Aug 30, 2005

Infinitely variable toroidal drive

ZAHNRADFABRIK FRIEDRICHSHAFEN3 citations58

US6878091B2Apr 12, 2005

Infinitely variable friction gear

ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations49

US6908409B2Jun 21, 2005

Stepless friction drive

ZAHNRADFABRIK FRIEDRICHSHAFEN1 citations38