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For the Inventor, By the Inventor

Schwanau, Germany

Herrenknecht Ag


USPTO Granted Patents = 40

% Expired Patents = 7.5



Trademarks = 8

Forward Citations = 28

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48 inventors (with patents filed for the assignee):

goldMedal Werner Burger (10 out of 10 patents)

silverMedal Tobias Gerhardt (5 out of 7 patents)

bronzeMedal Marc Peters (5 out of 6 patents)

4.  Gerhard Wehrmeyer (5 out of 5 patents)

5.  Michael Lubberger (4 out of 5 patents)

6.  Thomas Joseph Edelmann (3 out of 3 patents)

7.  Christian Himmelsbach (3 out of 3 patents)

8.  Jens Brandt (3 out of 3 patents)

9.  Steffen Praetorius (2 out of 2 patents)

10.  Tobias Engel (2 out of 3 patents)

11.  Jörg Riechers (2 out of 2 patents)

12.  Frédéric Robert Cousseau (2 out of 2 patents)

13.  Patrick Michael Rennkamp (2 out of 2 patents)

14.  Ruediger Koegler (2 out of 2 patents)

15.  Frederic Seng (2 out of 2 patents)


Core Competencies:
Tunnel Boring Machine
Cutting Wheel
Vertical Borehole
Tunnel Lining
Drill Head
High-Precision Sensors
Trenchless Pipe Laying
Mining Tool
Protective Element
Cavity Production
Hydraulic Removal
Underground Cables

40 patents:

1. 12753693 - Device for emptying conveying buckets during the sinking of shafts (2026-10-06),
2. 12747665 - Tunnel boring machine and method for tunneling using a tunnel boring machine (2026-09-29),
3. 12595734 - Cutting wheel for a cutting boring machine (2026-04-07),
4. 12553286 - Device for sinking a vertical borehole (2026-02-17),
5. 12359566 - Device and method for driving a tunnel (2025-07-15),
6. 12196083 - Tunnel boring machine (2025-01-14),
7. 12158071 - Tunnel boring machine having a device for detecting a content of critical gas (2024-12-03),
8. 12060774 - Tunnel machine having sealing units for sealing an annular gap around a drive shaft for a cutting wheel (2024-08-13),
9. 12031385 - Drill head and method for producing a vertical borehole in the ground (2024-07-09),
10. 11952888 - Data communication in the microwave range using electrically conductive elements in a construction machine (2024-04-09),
11. 11913337 - Method and device for the automated arrangement of tunnel lining segments (2024-02-27),
12. 11834950 - Tunnel lining composed of at least two concrete elements (2023-12-05),
13. 11821315 - Cutting roller bearing part, cutting roller holder with cutting roller bearing part, cutting wheel with cutting roller holder and tunnel boring machine with cutting wheel (2023-11-21),
14. 11668192 - Tunnel boring machine and tunnelling method (2023-06-06),
15. 11566522 - Device and method for continuously driving a tunnel (2023-01-31),
Herrenknecht AG is a leading manufacturer of tunnel boring machines and equipment, specializing in underground construction technology. The company develops innovative solutions for various applications, including transportation, water management, and energy infrastructure. With a strong focus on engineering excellence, Herrenknecht plays a crucial role in advancing tunneling techniques and enhancing project efficiency. Headquartered in Schwanau, Germany, the company serves a global market, contributing to significant infrastructure projects worldwide.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Herrenknecht Ag
40 Patents

#1 in Schwanau

#1,277 in Germany

#17,048 in the World

Schwanau, DE
Schwanau, Germany

Herrenknecht Ag

Forward Citations = 28

48 inventors:

goldMedal Werner Burger (10 out of 10 patents)

silverMedal Tobias Gerhardt (5 out of 7 patents)

bronzeMedal Marc Peters (5 out of 6 patents)

4.  Gerhard Wehrmeyer (5 out of 5 patents)

5.  Michael Lubberger (4 out of 5 patents)

Please report any incorrect information to [email protected]
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