For the Inventor, By the Inventor

Enter assignee name

Gmuend, Germany

Zf Lenksysteme Gmbh

USPTO Granted Patents = 93

% Expired Patents = 75.3

EPO Patents = 61

Trademarks = 1

Forward Citations = 481

Loading Chart...

Loading Chart...

135 inventors (with patents filed for the assignee):

Martin Budaker (10 out of 14 patents)

Helmut Bareis (8 out of 10 patents)

Rainer Schaenzel (6 out of 9 patents)

4. Jens-Uwe Hafermalz (5 out of 13 patents)

5. Oliver Hetzel (5 out of 6 patents)

6. Peter Ertle (5 out of 5 patents)

7. Dennis Fuechsel (4 out of 18 patents)

8. Werner Bernhard (4 out of 6 patents)

9. Arnulf Heilig (4 out of 8 patents)

10. Thomas Werner (4 out of 6 patents)

11. Juergen Bieber (4 out of 5 patents)

12. Arthur Rupp (4 out of 5 patents)

13. Stefan Froehlich (4 out of 4 patents)

14. Wilfried Leutner (4 out of 6 patents)

15. Helmut Knoedler (4 out of 5 patents)

Core Competencies:

Power Steering

Electric Servo Steering

Hydraulic Steering

Steering Gear

Rack-and-Pinion

Rotary Slide Valve

Bearing Assembly

Torque Measurement

Steer-By-Wire

Oscillation Compensation

Position-Dependent Friction

Motor Control

93 patents: Sort by Forward Citations

1. 9002583 - Method and device for the compensation of steering wheel rotary oscillations in a steering system (2015-04-07),

2. 8997597 - Power steering system (2015-04-07),

3. 8960052 - Device for exposing an opening in a housing part of a steering gear (2015-02-24),

4. 8931362 - Recirculating ball gear (2015-01-13),

5. 8919490 - Power steering system (2014-12-30),

6. 8899373 - Power steering system, in particular for a motor vehicle (2014-12-02),

7. 8899119 - Device for pressing on a rack (2014-12-02),

8. 8863889 - Steering system in a vehicle (2014-10-21),

9. 8827558 - Bearing bush assembly for a telescopic steering shaft and steering system equipped therewith (2014-09-09),

10. 8794093 - Device for pressing on a rack (2014-08-05),

11. 8788147 - Method for determining a toothed rack force for a steering device in a vehicle (2014-07-22),

12. 8779759 - Sensor device for detecting the rotational position of a rotating shaft (2014-07-15),

13. 8752445 - Device for pressing a toothed rack (2014-06-17),

14. 8731779 - Method and device for aligning a determined steer angle with a measured steer angle (2014-05-20),

15. 8720639 - Noise reduction rolling bearing for power steering (2014-05-13),

Company Overview

Zf Lenksysteme Gmbh, headquartered in Gmuend, Germany, specializes in the development and manufacturing of advanced power steering systems. The company focuses on innovative technologies such as electric servo steering and hydraulic steering, catering to the evolving needs of the automotive industry. Their expertise encompasses steering gear, rack-and-pinion systems, rotary slide valves, bearing assemblies, and torque measurement solutions, positioning them as a key player in enhancing vehicle maneuverability and safety.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

93 Patents

#1 in Gmuend

#634 in Germany

#8,291 in the World

Gmuend, Germany

Zf Lenksysteme Gmbh

Forward Citations = 481

135 inventors:

Martin Budaker (10 out of 14 patents)

Helmut Bareis (8 out of 10 patents)

Rainer Schaenzel (6 out of 9 patents)

4. Jens-Uwe Hafermalz (5 out of 13 patents)

5. Oliver Hetzel (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zf Lenksysteme Gmbh. Retrieved from https://idiyas.com/company/zf-lenksysteme

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…