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For the Inventor, By the Inventor

Neunkirchen, Germany

Purem Gmbh


USPTO Granted Patents = 114


Forward Citations = 22

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157 inventors (with patents filed for the assignee):

goldMedal Fatih Uysal (12 out of 12 patents)

silverMedal Enver Kurpejovic (12 out of 21 patents)

bronzeMedal Andreas Wacker (9 out of 10 patents)

4.  Wolfgang Datz (9 out of 12 patents)

5.  Benjamin Röhr (8 out of 10 patents)

6.  Peter Kast (8 out of 13 patents)

7.  Jochen Hammer (8 out of 13 patents)

8.  Holger Brenner (8 out of 8 patents)

9.  Annika Zeumer (7 out of 10 patents)

10.  Frank Berkemer (7 out of 12 patents)

11.  Jürgen Häberle (7 out of 11 patents)

12.  Gerd Gaiser (7 out of 40 patents)

13.  Tobias Wolf (7 out of 12 patents)

14.  Markus Birgler (7 out of 13 patents)

15.  Matthias Grün (6 out of 8 patents)


Core Competencies:
Exhaust Systems
Mufflers
Gas Treatment
Heating Units
Exhaust Gas Heaters
Internal Combustion Engines
Control Flaps
Mixing Arrangements
Sound Dampers
Welding Components
Connection Elements
Modular Construction

114 patents:

1. 12755991 - Fuel-cell exhaust system (2026-10-06),
2. 12742407 - Display driving device comprising an emission circuit and positive feedback circuit (2026-09-22),
3. 12729638 - Exhaust gas heater (2026-09-08),
4. 12712190 - Fuel-cell exhaust arrangement (2026-08-18),
5. 12680485 - Exhaust-gas treatment arrangement (2026-07-14),
6. 12662955 - Catalytic heater for an exhaust gas system of an internal combustion engine, exhaust gas system and method of operating an exhaust gas system (2026-06-23),
7. 12560261 - Connecting flange for connecting two tubular components to each other (2026-02-24),
8. 12520384 - Exhaust-gas heater (2026-01-06),
9. 12496669 - Interchangeable carrier system (2025-12-16),
10. 12492657 - Exhaust gas system for an internal combustion engine (2025-12-09),
11. 12492653 - Muffler and method for making a muffler (2025-12-09),
12. 12486791 - Exhaust-gas heater (2025-12-02),
13. 12469863 - Control flap assembly for a gas flow in a fuel cell system (2025-11-11),
14. 12467392 - Muffler, exhaust system including a muffler, and method of making a muffler for an exhaust system (2025-11-11),
15. 12454901 - Sound damper (2025-10-28),
Company Overview
Purem GmbH, based in Neunkirchen, Germany, specializes in the development and manufacturing of advanced exhaust systems. The company focuses on innovative solutions for internal combustion engines, including mufflers, gas treatment systems, and exhaust gas heaters. With a commitment to enhancing vehicle performance and reducing emissions, Purem integrates cutting-edge technologies such as control flaps and mixing arrangements into its products. The firm is dedicated to meeting the evolving demands of the automotive industry while promoting sustainability.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

114 Patents

#2 in Neunkirchen

#520 in Germany

#6,937 in the World

Neunkirchen, DE
Neunkirchen, Germany

Purem Gmbh

Forward Citations = 22

157 inventors:

goldMedal Fatih Uysal (12 out of 12 patents)

silverMedal Enver Kurpejovic (12 out of 21 patents)

bronzeMedal Andreas Wacker (9 out of 10 patents)

4.  Wolfgang Datz (9 out of 12 patents)

5.  Benjamin Röhr (8 out of 10 patents)

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

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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