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Neckarsulm, Germany

Audi Nsu Auto Union Aktiengesellschaft

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USPTO Granted Patents = 117

Trademarks = 3

Forward Citations = 2,663

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108 inventors (with patents filed for the assignee):

Johannes Steinwart (17 out of 19 patents)

Max Ruf (15 out of 24 patents)

Armin Bauder (12 out of 17 patents)

4. Wulf Leitermann (8 out of 14 patents)

5. Gottlieb Wilmers (8 out of 8 patents)

6. Gerhard Maurhoff (5 out of 5 patents)

7. Richard Van Basshuysen (4 out of 4 patents)

8. Peter Will (4 out of 4 patents)

9. Johannes Van Den Boom (4 out of 5 patents)

10. Karl Pflugfelder (4 out of 4 patents)

11. Axel Bier (3 out of 5 patents)

12. Gunter Kromer (3 out of 6 patents)

13. Rolf Lechler (3 out of 6 patents)

14. Horst Ehemann (3 out of 3 patents)

15. Dieter Stock (3 out of 3 patents)

Core Competencies:

Fuel Injection System

Internal Combustion Engine

Motor Vehicle

Variable-Speed Wiper

Cylinder Head

Turbocharged Engine

Lubricating Oil

Reciprocating Piston

Engine Control

Hydraulic Damping

Window Assembly

Noise Reduction

117 patents: Sort by Forward Citations

1. 4638174 - Switching device for lighting the interior of a motor vehicle (1987-01-20),

2. 4602596 - Reciprocating piston-internal combustion engine with variable (1986-07-29),

3. 4596427 - Receptacle of the drawer type, especially for motor vehicles (1986-06-24),

4. 4573440 - Method for limiting the speed of an internal combustion engine in a (1986-03-04),

5. 4548100 - Transmission for motor vehicles (1985-10-22),

6. 4543925 - Light-alloy cylinder head for reciprocating piston internal combustion (1985-10-01),

7. 4527936 - Automatic plant for stacking sheet metal pressings (1985-07-09),

8. 4524979 - Cylinder head gasket for internal combustion engines (1985-06-25),

9. 4524740 - Coupling means between an output control member of an internal (1985-06-25),

10. 4519646 - Rearward facing collapsible vehicle back seat (1985-05-28),

11. 4517469 - Circuit for a current consuming device in a motor vehicle (1985-05-14),

12. 4516034 - Circuit for operating a displaceable component in a motor vehicle, in (1985-05-07),

13. 4515239 - Noise reduction lining (1985-05-07),

14. 4505511 - Gasket for window pane (1985-03-19),

15. 4504370 - Method and apparatus for electrochemical machining (1985-03-12),

Company Overview

Audi Nsu Auto Union Aktiengesellschaft, headquartered in Neckarsulm, Germany, is a prominent player in the automotive industry, specializing in the development and manufacturing of advanced internal combustion engines. The company focuses on innovative technologies such as fuel injection systems, turbocharged engines, and reciprocating pistons, contributing to enhanced vehicle performance and efficiency. Audi's expertise extends to various automotive components, including cylinder heads and variable-speed wipers, positioning it as a leader in automotive engineering and design.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

117 Patents

#1 in Neckarsulm

#511 in Germany

#6,806 in the World

Neckarsulm, Germany

Audi Nsu Auto Union Aktiengesellschaft

Forward Citations = 2,663

108 inventors:

Johannes Steinwart (17 out of 19 patents)

Max Ruf (15 out of 24 patents)

Armin Bauder (12 out of 17 patents)

4. Wulf Leitermann (8 out of 14 patents)

5. Gottlieb Wilmers (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Audi Nsu Auto Union Aktiengesellschaft. Retrieved from https://idiyas.com/company/audi-nsu-auto-union-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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