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Dbt Deutsche Bergbau-technik Gmbh

USPTO Granted Patents = 24

Trademarks = 1

Forward Citations = 104

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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),

Dbt Deutsche Bergbau-technik GmbH is a leading manufacturer of mining equipment and systems. With over 50 years of experience, the company specializes in providing innovative solutions for underground mining operations. Dbt Deutsche Bergbau-technik GmbH offers a wide range of products, including longwall shearers, continuous miners, roadheaders, and roof support systems. Their advanced technologies and reliable equipment have earned them a strong reputation in the mining industry. For more information, visit their website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

24 Patents

#3 in Lunen

#1,929 in Germany

#25,825 in the World

Dbt Deutsche Bergbau-technik Gmbh

Forward Citations = 104

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)

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