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Luenen, Germany

Dbt Deutsche Bergbau-Technik Gmbh

USPTO Granted Patents = 24

Trademarks = 1

Forward Citations = 105

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29 inventors (with patents filed for the assignee):

Gerhard Merten (12 out of 67 patents)

Frank Fischer (5 out of 15 patents)

Hans Meya (5 out of 15 patents)

4. Siegfried Schmidt (3 out of 10 patents)

5. Michael Dettmers (3 out of 26 patents)

6. Werner Reinelt (3 out of 25 patents)

7. Bernd Steinkuhl (3 out of 34 patents)

8. Adam Klabisch (2 out of 34 patents)

9. Wolfgang Kobow (2 out of 8 patents)

10. Ernst Braun (2 out of 52 patents)

11. Gert Braun (2 out of 53 patents)

12. Jens Titschert (1 out of 18 patents)

13. Detlef Hahn (1 out of 12 patents)

14. Ernst Heiderich (1 out of 7 patents)

15. Wilfried Weigel (1 out of 11 patents)

24 patents: Sort by Forward Citations

1. 6513647 - Scraper chain for scraper chain conveyors (2003-02-04),

2. 6481933 - Powered support frame for large seam thicknesses with controlled gap sealing plates (2002-11-19),

3. 6398181 - Valve arrangement (2002-06-04),

4. 6279734 - Chain drum arrangement (2001-08-28),

5. 6209440 - Hydraulic double telescopic prop (2001-04-03),

6. 6186597 - Pick system for mining ploughs, in particular coal ploughs (2001-02-13),

7. 6179386 - Drive chain channel arrangement for longwall shearer (2001-01-30),

8. 6073752 - Scraper chain belt for scraper chain conveyors (2000-06-13),

9. 6073654 - Hydraulically trippable check valve for underground mine support (2000-06-13),

10. 6008605 - Method for determining the active power of asynchronous electric motors (1999-12-28),

11. 5947265 - Chain drum arrangement for scraper chain conveyors (1999-09-07),

12. 5941154 - Guide shoe for a cutting machine (1999-08-24),

13. 5938000 - Conveyor chute for chain scraper conveyors, in particular for use in (1999-08-17),

14. 5931540 - Drive system having a pin drive chain for a cutting machine for (1999-08-03),

15. 5931283 - Scraper-chain assembly for scraper-chain conveyors (1999-08-03),

Company Overview

Dbt Deutsche Bergbau-Technik GmbH specializes in innovative solutions for the mining and tunneling industries. The company focuses on the development and manufacturing of advanced machinery and equipment designed to enhance operational efficiency and safety in underground operations. With a strong emphasis on research and technology, dbt is committed to providing tailored solutions that meet the evolving needs of its clients in the global market, particularly in Europe and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

24 Patents

#3 in Luenen

#1,910 in Germany

#26,660 in the World

Luenen, Germany

Dbt Deutsche Bergbau-Technik Gmbh

Forward Citations = 105

29 inventors:

Gerhard Merten (12 out of 67 patents)

Frank Fischer (5 out of 15 patents)

Hans Meya (5 out of 15 patents)

4. Siegfried Schmidt (3 out of 10 patents)

5. Michael Dettmers (3 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dbt Deutsche Bergbau-Technik Gmbh. Retrieved from https://idiyas.com/company/dbt-deutsche-bergbau-technik

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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