Inventor
DOERR ULRICH
DE5 patents
Patents
5 patentsUS11261943B2Mar 1, 2022
Planet-type multi-stage transmission for a bicycle or pedelec
ZAHNRADFABRIK FRIEDRICHSHAFEN4 citations70
US12503199B2Dec 23, 2025
Assembly for actuating a shifting element of a transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations57
US12434788B2Oct 7, 2025
Bottom-bracket gear
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations57
US10480641B2Nov 19, 2019
Assembly for blocking and enabling a shifting position of a shifting element
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations50
US12291304B2May 6, 2025
Gear set assembly and bicycle gearing system
ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations46