Herrenknecht

Calculating rank

USPTO Granted Patents = 6

Forward Citations = 25

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11 inventors (with patents filed for the assignee):

Tobias Gerhardt (2 out of 7 patents)

Martin Herrenknecht (2 out of 2 patents)

Michael Lubberger (1 out of 5 patents)

4. Tobias Engel (1 out of 3 patents)

5. Werner Suhm (1 out of 2 patents)

6. Hans-Peter Uffmann (1 out of 2 patents)

7. Rainer Griesbaum (1 out of 1 patent)

8. Rolf Heerssen (1 out of 1 patent)

9. Gebhard Lehmann (1 out of 1 patent)

10. Boris Jung (1 out of 1 patent)

11. Lutz Zur Linde (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12571263 - Expanding drill device (2026-03-10),

2. 12460487 - Drill head for creating a borehole in the ground (2025-11-04),

3. 12270291 - Method for monitoring overburden when advance working in the ground, and advance- working device (2025-04-08),

4. 10364611 - Drill head for expanding a pilot bore in order to create a borehole (2019-07-30),

5. 5437500 - Tunneling machine with center cutter and debris removing means (1995-08-01),

6. 5184918 - Recoverable tunnelling machine (1993-02-09),

Company Overview

Herrenknecht AG is a leading global manufacturer of tunnel boring machines and equipment for underground construction. Founded in 1977, the company specializes in the development and production of innovative tunneling technology, providing solutions for various projects including transportation, water management, and energy. With a commitment to quality and sustainability, Herrenknecht operates worldwide, delivering advanced machinery and services that meet the demands of modern infrastructure development. The company is known for its engineering excellence and has contributed to numerous landmark projects across the globe.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

6 Patents

#2 in Schwanau

#5,414 in Germany

Schwanau, Germany

Herrenknecht

Forward Citations = 25

11 inventors:

Tobias Gerhardt (2 out of 7 patents)

Martin Herrenknecht (2 out of 2 patents)

Michael Lubberger (1 out of 5 patents)

4. Tobias Engel (1 out of 3 patents)

5. Werner Suhm (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Herrenknecht. Retrieved from https://idiyas.com/company/herrenknecht

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]