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For the Inventor, By the Inventor

Dortmund, Germany

Uhde Gmbh


USPTO Granted Patents = 177

% Expired Patents = 40.1



Trademarks = 2

Forward Citations = 1,286

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259 inventors (with patents filed for the assignee):

goldMedal Michael Benje (13 out of 21 patents)

silverMedal Johannes Menzel (11 out of 26 patents)

bronzeMedal Franz-Josef Schuecker (10 out of 13 patents)

4.  Meinhard Schwefer (9 out of 17 patents)

5.  Holger Thielert (8 out of 20 patents)

6.  Ronald Kim (8 out of 22 patents)

7.  Thomas Haas (6 out of 97 patents)

8.  Willi Hofen (6 out of 43 patents)

9.  Rainer Maurer (6 out of 10 patents)

10.  Jorg-Peter Korner (6 out of 7 patents)

11.  Hans-Dieter Marsch (6 out of 6 patents)

12.  Helmuth Schurig (6 out of 7 patents)

13.  Hans-Joachim Herbort (6 out of 6 patents)

14.  Wolfgang Wöll (5 out of 13 patents)

15.  Winfried Liebig (5 out of 6 patents)


Core Competencies:
Coke Oven
Gas Purification
Catalytic Reactions
Combustion Air Systems
Synthesis Gas Production
Hydrogen Sulfide Removal
Coal Gasification
Thermal Management
Chemical Processes
Ammonia Removal
Hydrocarbon Dehydration
Nitric Acid Production

177 patents:

1. 9266081 - Device and process for catalytic gas phase reactions and use thereof (2016-02-23),
2. 9115313 - Floor construction for horizontal coke ovens (2015-08-25),
3. 9108175 - Device and method for catalytic gas phase reaction and the use thereof (2015-08-18),
4. 9067786 - Primary reformer with secondary inlet channels supplying the burner (2015-06-30),
5. 9039869 - Controllable air ducts for feeding of additional combustion air into the area of flue gas channels of coke oven chambers (2015-05-26),
6. 8980063 - Air proportioning system for secondary air in coke ovens depending on the vault vs. sole temperature ratio (2015-03-17),
7. 8957229 - Method for the production of a mixture of lactide derivatives (2015-02-17),
8. 8915980 - Gasification apparatus with continuous solids discharge (2014-12-23),
9. 8871673 - [object Object] (2014-10-28),
10. 8821694 - Method and device for the positioning of operating units of a coal filling cart at the filling openings of a coke oven (2014-09-02),
11. 8808517 - Process for the removal of ammonia from an ammonia-containing gas stream (2014-08-19),
12. 8764944 - Coke oven comprising tertiary heating elements in the gas chamber (2014-07-01),
13. 8757528 - Device for slag removal from a coal gasification reactor (2014-06-24),
14. 8753519 - Removal of silicon from brine (2014-06-17),
15. 8742182 - Method of operating a distillation column for purifying 1,2-dichloroethane and for coupled sodium hydroxide solution evaporative concentration (2014-06-03),
Company Overview
Uhde GmbH, headquartered in Dortmund, Germany, specializes in advanced coke oven technology and related processes. The company focuses on the development and implementation of innovative solutions for coke production, gas purification, and catalytic reactions. Its expertise extends to combustion air systems, synthesis gas production, and hydrogen sulfide removal, contributing to efficient coal gasification and thermal management. Uhde GmbH plays a significant role in enhancing industrial processes, particularly in the energy and materials sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

177 Patents

#2 in Dortmund

#341 in Germany

#4,705 in the World

Dortmund, DE
Dortmund, Germany

Uhde Gmbh

Forward Citations = 1,286

259 inventors:

goldMedal Michael Benje (13 out of 21 patents)

silverMedal Johannes Menzel (11 out of 26 patents)

bronzeMedal Franz-Josef Schuecker (10 out of 13 patents)

4.  Meinhard Schwefer (9 out of 17 patents)

5.  Holger Thielert (8 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Uhde Gmbh. Retrieved from https://idiyas.com/company/uhde

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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