Ulrich Doerr

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Konstanz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gear set assembly and bicycle gearing system
- Patent number 12,291,304
- Issue date May 6, 2025
- ZF Friedrichshafen AG
- Peter Ziemer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Planet-type multi-stage transmission for a bicycle or pedelec
- Patent number 11,261,943
- Issue date Mar 1, 2022
- ZF Friedrichshafen AG
- Peter Ziemer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Assembly for blocking and enabling a shifting position of a shiftin...
- Patent number 10,480,641
- Issue date Nov 19, 2019
- ZF Friedrichshafen AG
- Peter Ziemer
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Bottom-bracket Transmission for a Micromobility Vehicle
- Publication number 20250155018
- Publication date May 15, 2025
- ZF Friedrichshafen AG
- Michel Wiemer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Assembly for Actuating a Shifting Element of a Transmission
- Publication number 20250145250
- Publication date May 8, 2025
- ZF Friedrichshafen AG
- Hagen Doepfert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Bottom-Bracket Gear
- Publication number 20250145251
- Publication date May 8, 2025
- ZF Friedrichshafen AG
- Thomas Riedisser
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Gear Set Assembly and Bicycle Gearing System
- Publication number 20240359775
- Publication date Oct 31, 2024
- ZF Friedrichshafen AG
- Peter Ziemer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Assembly for Blocking and Enabling a Shifting Position of a Shiftin...
- Publication number 20170268660
- Publication date Sep 21, 2017
- ZF Friedrichshafen AG
- Peter Ziemer
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL