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Schwanau, Germany

Herrenknecht Ag

USPTO Granted Patents = 36

CIPO Patents = 76

EPO Patents = 59

Trademarks = 20

Forward Citations = 27

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99 inventors (with patents filed for the assignee):

Werner Burger (10 out of 10 patents)

Tobias Gerhardt (5 out of 7 patents)

Marc Peters (5 out of 6 patents)

4. Michael Lubberger (4 out of 5 patents)

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

6. Christian Himmelsbach (3 out of 3 patents)

7. Gerhard Wehrmeyer (3 out of 3 patents)

8. Steffen Praetorius (2 out of 2 patents)

9. Tobias Engel (2 out of 2 patents)

10. Jörg Riechers (2 out of 2 patents)

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

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

13. Ruediger Koegler (2 out of 2 patents)

14. Jens Brandt (2 out of 2 patents)

15. Frederic Seng (2 out of 2 patents)

36 patents: Sort by Forward Citations

1. 12359566 - Device and method for driving a tunnel (2025-07-15),

2. 12196083 - Tunnel boring machine (2025-01-14),

3. 12158071 - Tunnel boring machine having a device for detecting a content of critical gas (2024-12-03),

4. 12060774 - Tunnel machine having sealing units for sealing an annular gap around a drive shaft for a cutting wheel (2024-08-13),

5. 12031385 - Drill head and method for producing a vertical borehole in the ground (2024-07-09),

6. 11952888 - Data communication in the microwave range using electrically conductive elements in a construction machine (2024-04-09),

7. 11913337 - Method and device for the automated arrangement of tunnel lining segments (2024-02-27),

8. 11834950 - Tunnel lining composed of at least two concrete elements (2023-12-05),

9. 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),

10. 11668192 - Tunnel boring machine and tunnelling method (2023-06-06),

11. 11566522 - Device and method for continuously driving a tunnel (2023-01-31),

12. 11448067 - Cutting tool for a tunnel boring machine and a tunnel boring machine (2022-09-20),

13. 11118454 - Tunnel boring device and system for the hydraulic removal of cuttings, and system for producing a stable fluid pressure for a boring fluid in the region of a cutting disk of the tunnel boring device (2021-09-14),

14. 11118410 - Device for producing a cavity in a soil (2021-09-14),

15. 10941624 - Drill string element (2021-03-09),

Herrenknecht AG is a German manufacturer of tunnel boring machines, founded by Martin Herrenknecht in 1977. The company specializes in the development and production of high-tech, innovative tunneling solutions for a wide range of industries and applications. With over 5,000 employees worldwide, Herrenknecht AG is a global leader in the field of tunneling technology, providing state-of-the-art equipment and comprehensive services to customers in more than 80 countries.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

36 Patents

#1 in Schwanau

#1,410 in Germany

#18,154 in the World

Schwanau, Germany

Herrenknecht Ag

Forward Citations = 27

99 inventors:

Werner Burger (10 out of 10 patents)

Tobias Gerhardt (5 out of 7 patents)

Marc Peters (5 out of 6 patents)

4. Michael Lubberger (4 out of 5 patents)

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

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