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For the Inventor, By the Inventor

Dresden, Germany

Sunfire Gmbh

USPTO Granted Patents = 10

% Expired Patents = 10.0


Trademarks = 4

Forward Citations = 24

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23 inventors (with patents filed for the assignee):

goldMedal Dietmar Rueger (3 out of 3 patents)

silverMedal Christian Von Olshausen (2 out of 3 patents)

bronzeMedal Christoph Gebald (1 out of 12 patents)

4.  Joerg Brabandt (1 out of 1 patent)

5.  Dirk Schaarmann (1 out of 1 patent)

6.  Ralph Otterstedt (1 out of 6 patents)

7.  Jan Andre Wurzbacher (1 out of 3 patents)

8.  Bjoern Erik Mai (1 out of 1 patent)

9.  Stefan Kaeding (1 out of 3 patents)

10.  Rainer Grube (1 out of 1 patent)

11.  Joerg Laube (1 out of 1 patent)

12.  Marianne Gottschling (1 out of 4 patents)

13.  Michael Svec (1 out of 1 patent)

14.  Andreas Reinert (1 out of 4 patents)

15.  Carl Berninghausen (1 out of 1 patent)


10 patents:

1. 12484117 - Gas heater heating element production method (2025-11-25),
2. 12412915 - Operating method for a solid oxide cell system (2025-09-09),
3. 11612872 - Soot removal process and assembly in cooling sectors and recuperators (2023-03-28),
4. 11214488 - Synthesis gas production from COand HO in a co-electrolysis (2022-01-04),
5. 10865486 - Electrolysis method and electrolysis system comprising recirculating flushing media (2020-12-15),
6. 10421913 - Production process and production system for producing methane / gaseous and/or liquid hydrocarbons (2019-09-24),
7. 9525183 - Fuel cell system having two fuel cell stacks connected in series (2016-12-20),
8. 9508997 - Media supply plate for a fuel cell stack (2016-11-29),
9. 9136553 - Electrolyte for cost-effective, electrolyte-supported high-temperature fuel cell having high performance and high mechanical strength (2015-09-15),
10. 9112191 - Interconnector arrangement for a fuel cell stack (2015-08-18),
Company Overview
Sunfire GmbH, based in Dresden, Germany, specializes in innovative energy solutions, focusing on the development of high-temperature electrolysis and synthetic fuels. The company is dedicated to advancing sustainable energy technologies that enable the efficient conversion of renewable electricity into hydrogen and other energy carriers. By leveraging cutting-edge research and engineering, Sunfire aims to contribute to the global transition towards a carbon-neutral economy, positioning itself as a key player in the renewable energy sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Sunfire Gmbh USPTO Patent Assignee Logo
10 Patents

#40 in Dresden

#3,755 in Germany

#56,092 in the World

Dresden, DE
Dresden, Germany

Sunfire Gmbh

Forward Citations = 24

23 inventors:

goldMedal Dietmar Rueger (3 out of 3 patents)

silverMedal Christian Von Olshausen (2 out of 3 patents)

bronzeMedal Christoph Gebald (1 out of 12 patents)

4.  Joerg Brabandt (1 out of 1 patent)

5.  Dirk Schaarmann (1 out of 1 patent)

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

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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