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For the Inventor, By the Inventor

Herne, Germany

Rag Aktiengesellschaft


USPTO Granted Patents = 9

% Expired Patents = 88.9


Forward Citations = 33

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18 inventors (with patents filed for the assignee):

goldMedal Armin Mozar (5 out of 10 patents)

silverMedal Martin Junker (5 out of 12 patents)

bronzeMedal Friedrich Huhn (1 out of 4 patents)

4.  Frank Rossa (1 out of 3 patents)

5.  Hans-Josef Giertz (1 out of 8 patents)

6.  Jürgen George (1 out of 3 patents)

7.  Ralf Hoven (1 out of 1 patent)

8.  Detlef Mattern (1 out of 1 patent)

9.  Friedrich-Wilhelm Cyris (1 out of 3 patents)

10.  Joachim Strunk (1 out of 1 patent)

11.  Heinz Opdenwinkel (1 out of 2 patents)

12.  Reiner Schuster (1 out of 2 patents)

13.  Elmar Wiejack-Symann (1 out of 1 patent)

14.  Hans-Joachim Doering (1 out of 1 patent)

15.  Armin Lovenich (1 out of 1 patent)


9 patents:

1. 9482091 - Face equipment comprising hose levels placed between the face conveyor and the shield support frames (2016-11-01),
2. 9470089 - Face equipment comprising hose levels placed on the shield support frames of said face equipment (2016-10-18),
3. 8708421 - Method for producing a face opening using automated systems (2014-04-29),
4. 8672414 - Method for controlling longwall mining operations (2014-03-18),
5. 8376467 - Method for automatically producing a defined face opening in plow operations in coal mining (2013-02-19),
6. 8038800 - Method and device for cleaning the door of a coke oven (2011-10-18),
7. 7150351 - Scraper chain conveyor comprising plastic pushers (2006-12-19),
8. 6571874 - Method for the in-situ extraction of gas from coal seams (2003-06-03),
9. 6561222 - Container for fluids (2003-05-13),
Company Overview
Rag Aktiengesellschaft is a German industrial company specializing in coal mining and energy production. With a long history dating back to the 19th century, Rag has transformed itself into a modern and diversified energy company with a focus on sustainability and innovation. The company's activities include coal mining, energy generation, and environmental services, making it a key player in the German energy sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#5 in Herne

#4,069 in Germany

Herne, DE
Herne, Germany

Rag Aktiengesellschaft

Forward Citations = 33

18 inventors:

goldMedal Armin Mozar (5 out of 10 patents)

silverMedal Martin Junker (5 out of 12 patents)

bronzeMedal Friedrich Huhn (1 out of 4 patents)

4.  Frank Rossa (1 out of 3 patents)

5.  Hans-Josef Giertz (1 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rag Aktiengesellschaft. Retrieved from https://idiyas.com/company/rag-ag

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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