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For the Inventor, By the Inventor

Kempten, Germany

Liebherr-Verzahntechnik Gmbh

Calculating rank
USPTO Granted Patents = 82

% Expired Patents = 29.3



Forward Citations = 248

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61 inventors (with patents filed for the assignee):

goldMedal Robert Wuerfel (16 out of 16 patents)

silverMedal Thomas Mattern (16 out of 16 patents)

bronzeMedal David Haenschke (11 out of 11 patents)

4.  Alois Mundt (8 out of 8 patents)

5.  Johannes Weixler (7 out of 7 patents)

6.  Bernhard Riedmiller (7 out of 7 patents)

7.  Hansjoerg Geiser (4 out of 4 patents)

8.  Thomas Breith (4 out of 4 patents)

9.  Oliver Winkel (4 out of 4 patents)

10.  Manfred Zankl (4 out of 4 patents)

11.  Markus Zollitsch (3 out of 3 patents)

12.  Michael Kluge (3 out of 3 patents)

13.  Thomas Zeller (3 out of 3 patents)

14.  Berhard Riedmiller (3 out of 3 patents)

15.  Roman Landerer (3 out of 3 patents)


Core Competencies:
Gear Manufacturing
Automated Handling
Chamfer Machining
Gear Cutting
Measuring Probe Calibration
Workpiece Clamping
Gantry Loader
Tool Dressing
Hard Finishing
Interlinking System
Noise-Optimized Gears
Prototype Production

82 patents:

1. 12420411 - Device for the automated establishment of a plug-in connection (2025-09-23),
2. 11980957 - Apparatus for a chamfer machining of a workpiece (2024-05-14),
3. 11542104 - Order-picking system (2023-01-03),
4. 11292068 - Gear manufacturing machine (2022-04-05),
5. 11268800 - Method for calibrating a measuring probe in a gear cutting machine (2022-03-08),
6. 11253937 - Method and apparatus for hard finishing modified gears (2022-02-22),
7. 11229964 - Apparatus for chamfer-machining a workpiece (2022-01-25),
8. 11110529 - Method for gear manufacturing machining of a workpiece (2021-09-07),
9. 11059116 - Method and apparatus for gear skiving (2021-07-13),
10. 11019926 - Telescopic rail (2021-06-01),
11. 10994872 - Order-picking cell (2021-05-04),
12. 10994352 - Method for the gear manufacturing machining of a workpiece (2021-05-04),
13. 10926954 - Picking system (2021-02-23),
14. 10919709 - Apparatus for the automated removal of workpieces arranged in a bin (2021-02-16),
15. 10857608 - Apparatus and method for chamfering a workpiece having internal gearing (2020-12-08),
Company Overview
Liebherr-Verzahntechnik GmbH, based in Kempten, Germany, specializes in advanced gear manufacturing technologies. The company focuses on a range of core areas, including automated handling, chamfer machining, and gear cutting. Liebherr is recognized for its innovative solutions in measuring probe calibration and workpiece clamping, enhancing precision and efficiency in manufacturing processes. With a commitment to quality and technological advancement, Liebherr plays a significant role in the gear manufacturing sector, catering to diverse industrial applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Liebherr-Verzahntechnik Gmbh USPTO Patent Assignee Logo
82 Patents

#1 in Kempten/Allgaeu

#707 in Germany

#9,267 in the World

Kempten, DE
Kempten, Germany

Liebherr-Verzahntechnik Gmbh

Forward Citations = 248

61 inventors:

goldMedal Robert Wuerfel (16 out of 16 patents)

silverMedal Thomas Mattern (16 out of 16 patents)

bronzeMedal David Haenschke (11 out of 11 patents)

4.  Alois Mundt (8 out of 8 patents)

5.  Johannes Weixler (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Liebherr-Verzahntechnik Gmbh. Retrieved from https://idiyas.com/company/liebherr-verzahntechnik

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]
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