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Wuerzburg, Germany

Dbt Gmbh

USPTO Granted Patents = 63

EPO Patents = 1

Trademarks = 1

Forward Citations = 302

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87 inventors (with patents filed for the assignee):

Adam Klabisch (20 out of 34 patents)

Gerhard Merten (17 out of 67 patents)

Gerhard Siepenkort (15 out of 31 patents)

4. Norbert Hesse (14 out of 33 patents)

5. Klaus Duhnke (14 out of 27 patents)

6. Uwe Tillessen (9 out of 17 patents)

7. Michael Dettmers (7 out of 26 patents)

8. Werner Reinelt (7 out of 25 patents)

9. Jorg Wirtz (7 out of 10 patents)

10. Jens Titschert (6 out of 18 patents)

11. Frank Fischer (6 out of 15 patents)

12. Sebastian M Mundry (6 out of 12 patents)

13. Franz-Heinrich Suilmann (5 out of 7 patents)

14. Hans Meya (5 out of 15 patents)

15. Martin Broszat (5 out of 5 patents)

Core Competencies:

Electron Emitter Structure

Particle Collecting Device

Gas Sensor

Mining Plow

Hydraulic Props

Underground Mining Machine

Conveyor Pan

Plough Guide

Electrohydraulic Support Controller

Chain Drive Arrangement

Milling Device

Protection Circuit

63 patents: Sort by Forward Citations

1. 12272513 - Electron emitter structure, external photoelectric effect emitter, particle collecting device, tunnel surface emitter, semiconductor- based direct emitter and liquid ioniser comprising same, gas sensor comprising an emitter or emitter structure, method for generating free electrons, and method for collecting particles (2025-04-08),

2. 8038558 - Chain drive or return arrangement and chain assembly and sprocket employed therein (2011-10-18),

3. 7740421 - Arrangement for the admission of pressurized water to spray systems (2010-06-22),

4. 7731298 - Shearer-loader drive subassembly and guide shoe for it (2010-06-08),

5. 7643262 - Protection circuit for intrinsically safe electro-magnetic actuators and a protection circuit for intrinsically safe energy supply systems (2010-01-05),

6. 7641286 - Plough guide for a chain-pulled plough (2010-01-05),

7. 7631942 - Device for milling rock and other materials and method for milling rock or the like using said device (2009-12-15),

8. 7604113 - Chain wheel arrangement (2009-10-20),

9. 7600822 - Method for the mining of coal and coal planer installation (2009-10-13),

10. 7575284 - Mining plow (2009-08-18),

11. 7562764 - Entry conveyor and pan section for the same (2009-07-21),

12. 7540693 - Method for pillar recovery in chamber-and-pillar working and tubbing unit for pillar recovery (2009-06-02),

13. 7503629 - Pick locking device including a clamp element and a retaining pin (2009-03-17),

14. 7490911 - Drive device for rotating and oscillating a tool, and a compatible tool for mining (2009-02-17),

15. 7489216 - Housing cover for switching solenoid housing (2009-02-10),

DBT GmbH is a leading IT consultancy firm specializing in database management and software solutions. With a team of experienced professionals, we provide comprehensive services to clients across various industries. Our expertise includes database design, implementation, optimization, and maintenance. We also offer customized software development to meet unique business requirements. At DBT GmbH, we are committed to delivering high-quality solutions that enhance productivity and maximize efficiency.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

63 Patents

#1 in

#906 in Germany

#11,184 in the World

Wuerzburg, Germany

Dbt Gmbh

Forward Citations = 302

87 inventors:

Adam Klabisch (20 out of 34 patents)

Gerhard Merten (17 out of 67 patents)

Gerhard Siepenkort (15 out of 31 patents)

4. Norbert Hesse (14 out of 33 patents)

5. Klaus Duhnke (14 out of 27 patents)

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