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For the Inventor, By the Inventor

Bochum, Germany

Tiefenbach Control Systems Gmbh


USPTO Granted Patents = 16

% Expired Patents = 68.8


Forward Citations = 17

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8 inventors (with patents filed for the assignee):

goldMedal Willi Kussel (9 out of 11 patents)

silverMedal Peter Rahms (5 out of 6 patents)

bronzeMedal Wilfried Weigel (3 out of 11 patents)

4.  Gerhard Wülfing (3 out of 3 patents)

5.  Ursula Kellermann (2 out of 2 patents)

6.  Christian Kellermann (2 out of 2 patents)

7.  Holger Kellermann (2 out of 2 patents)

8.  Sabine Bittner (1 out of 1 patent)


16 patents:

1. 10404948 - Longwall face support in an underground mine (2019-09-03),
2. 8960807 - Hydraulic circuit for longwall mining (2015-02-24),
3. 8876218 - Hydraulic circuit for longwall support (2014-11-04),
4. 8726937 - Control device for an extracting unit in the work face of a mine (2014-05-20),
5. 8651581 - Safety device for the movable excavation devices in an underground longwall mine (2014-02-18),
6. 8100707 - Plug contact pairing (2012-01-24),
7. 7659832 - Electrically controlled actuating element on a machine (2010-02-09),
8. 7659675 - Device for illuminating the stope support at a longwall face (2010-02-09),
9. 7549709 - Mining device (2009-06-23),
10. 7494190 - Coal face support in a mine (2009-02-24),
11. 7478884 - Hydraulic switching mechanism for longwall supports (2009-01-20),
12. 7458307 - Hydraulic control for a longwall support (2008-12-02),
13. 7455368 - Control mechanism for the extension units in the longwall face of a mine (2008-11-25),
14. 7455367 - Longwall support control for controlling the movements of longwall support units in the longwall of a mine (2008-11-25),
15. 7416369 - Timbering and walling control for controlling the movements of timbering and walling units in the coal face of a mine (2008-08-26),
Tiefenbach Control Systems GmbH, based in Bochum, Germany, specializes in advanced control systems and automation solutions for various industrial applications. The company focuses on developing innovative technologies that enhance operational efficiency and safety in sectors such as mining, construction, and transportation. With a commitment to research and development, Tiefenbach aims to deliver high-quality products that meet the evolving needs of its clients, ensuring reliability and performance in demanding environments.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#8 in Bochum

#2,620 in Germany

#37,766 in the World

Bochum, DE
Bochum, Germany

Tiefenbach Control Systems Gmbh

Forward Citations = 17

8 inventors:

goldMedal Willi Kussel (9 out of 11 patents)

silverMedal Peter Rahms (5 out of 6 patents)

bronzeMedal Wilfried Weigel (3 out of 11 patents)

4.  Gerhard Wülfing (3 out of 3 patents)

5.  Ursula Kellermann (2 out of 2 patents)

Please report any incorrect information to [email protected]
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