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For the Inventor, By the Inventor

Augsburg, Germany

Renk Aktiengesellschaft

USPTO Granted Patents = 68

% Expired Patents = 22.1



Trademarks = 9

Forward Citations = 432

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69 inventors (with patents filed for the assignee):

goldMedal Burkhard Pinnekamp (9 out of 10 patents)

silverMedal Max Witzenberger (7 out of 7 patents)

bronzeMedal Alexander Walter (5 out of 5 patents)

4.  Helmut Hösle (5 out of 5 patents)

5.  Hartmut Hultsch (4 out of 4 patents)

6.  Bernd Negwer (4 out of 4 patents)

7.  Franz-Xaver Zaunberger (3 out of 5 patents)

8.  Gerhard Kirstein (2 out of 15 patents)

9.  Mohamed Sfar (2 out of 3 patents)

10.  Dietmar Sterns (2 out of 2 patents)

11.  Nikolaus Müller (2 out of 3 patents)

12.  Ingo Sommer (2 out of 2 patents)

13.  Rolf Döbereiner (2 out of 2 patents)

14.  Harald Naunheimer (2 out of 2 patents)

15.  Helmut Schwertberger (2 out of 2 patents)


Core Competencies:
Drive Train Arrangement
Power Shift Transmission
Submarine Drive System
Gearbox
Ship Propulsion System
Electromechanical Drive
Cooling Device
Torque Transmission
Steering Drive System
Wind Generator Transmission
Fault-Tolerant Actuating Device
Bowl Mill Transmission

68 patents:

1. 11466669 - Drive train arrangement (2022-10-11),
2. 11280387 - Power shift transmission (2022-03-22),
3. 10731730 - Transmission in particular for wind power generators (2020-08-04),
4. 10723425 - Submarine drive system (2020-07-28),
5. 10584748 - Plain bearing and method for producing the same (2020-03-10),
6. 10400860 - Transmission arrangement (2019-09-03),
7. 10180178 - Gearbox and drive arrangement with a gearbox (2019-01-15),
8. 10094466 - Gear unit (2018-10-09),
9. 10060520 - Transmission for a drive arrangement of a driven machine (2018-08-28),
10. 10006493 - Screw connection for a non-shiftable multi-plate clutch, and multi-plate clutch (2018-06-26),
11. 9433133 - Device and method for cooling an electric component for a vehicle (2016-08-30),
12. 9221530 - Ship propulsion system and ship equipped therewith (2015-12-29),
13. 8845267 - Pod drive (2014-09-30),
14. 8813879 - Electric steering and driving system for a lateral wheel-steering vehicle (2014-08-26),
15. 8734289 - System for the generation of mechanical and/or electrical energy (2014-05-27),
Company Overview
Renk Aktiengesellschaft, headquartered in Augsburg, Germany, specializes in advanced drive systems and related technologies. The company focuses on developing and manufacturing innovative solutions in areas such as drive train arrangements, power shift transmissions, and submarine drive systems. Renk's expertise extends to gearboxes, ship propulsion systems, electromechanical drives, and cooling devices, making it a key player in various sectors including marine, rail, and industrial applications. Its commitment to engineering excellence positions Renk as a leader in drive technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

68 Patents

#5 in Augsburg

#842 in Germany

#10,894 in the World

Augsburg, DE
Augsburg, Germany

Renk Aktiengesellschaft

Forward Citations = 432

69 inventors:

goldMedal Burkhard Pinnekamp (9 out of 10 patents)

silverMedal Max Witzenberger (7 out of 7 patents)

bronzeMedal Alexander Walter (5 out of 5 patents)

4.  Helmut Hösle (5 out of 5 patents)

5.  Hartmut Hultsch (4 out of 4 patents)

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