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For the Inventor, By the Inventor

Obersulm, Germany

Johannes Steinwart

This inventor holds 19 USPTO granted patents. Top assignees: Audi Nsu Auto Union Aktiengesellschaft, Wankel Gmbh, Audi Ag. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johannes Steinwart. Retrieved from https://idiyas.com/inventor/johannes-steinwart

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 137(Granted Patents)


Location History:

  • Bad Friedrichshall, DE (1976)
  • Bad Friedrichshall II, DE (1976 - 1977)
  • Obersulm-Willsbach, DE (1976 - 1981)
  • Obersulm-Willebach, DE (1987)
  • Obersulm, DE (1993)

Company Filing History:

goldMedal17 out of 117 
 
Audi Nsu Auto Union Aktiengesellschaft
 patents
silverMedal3 out of 62 
 
Wankel Gmbh
 patents
bronzeMedal2 out of 3,575 
 
Audi Ag
 patents
where one patent can have more than one assignee

Years Active: 1976-1993

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19 patents (USPTO):Explore Patents
1. 5211141 - Drive arrangement for a camshaft fitted in the cylinder head of an (1993-05-18),
2. 4643138 - Suction pipe system for multicylinder internal combustion engine (1987-02-17),
3. 4253805 - Rotary compressor (1981-03-03),
4. 4243002 - Fuel injection system for an internal combustion engine (1981-01-06),
5. 4227502 - Fuel injection system (1980-10-14),
6. 4220129 - Fuel injection system (1980-09-02),
7. 4215538 - Internal combustion engine having an afterburning device (1980-08-05),
8. 4180038 - Fuel injection system for an internal combustion engine (1979-12-25),
9. 4174693 - Fuel injection system having pressurized damping means (1979-11-20),
10. 4169452 - Fuel injection rotary piston internal combustion engine of the (1979-10-02),
11. 4167921 - Fuel injection device for internal combustion engines (1979-09-18),
12. 4119073 - Spark ignition fuel injection internal combustion engine (1978-10-10),
13. 4025366 - Method of making rotary piston engine cast iron interior seals by quench (1977-05-24),
14. 4011032 - System for liquid cooling of a rotor or a rotary mechanism (1977-03-08),
15. 4009701 - Internal combustion engine having provisions for heating the fuel-air (1977-03-01),

Title: **Johannes Steinwart: Innovator in Internal Combustion Engine Technologies**

Introduction

Johannes Steinwart, an accomplished inventor based in Obersulm-Willsbach, Germany, has made significant contributions to the field of internal combustion engine technologies. With a remarkable portfolio of 19 patents, his innovations have played a vital role in advancing automotive engineering.

Latest Patents

His latest patents include a novel drive arrangement for a camshaft fitted within the cylinder head and an innovative suction pipe system for multicylinder internal combustion engines. The suction pipe installation features a collector suction pipe connected to a suction distributor, with individual suction pipes that constitute a unitary unit alongside the collector. These pipes form an efficient design that requires no additional space, ensuring a streamlined airflow. Notably, the system includes an air amount meter for optimizing fuel injection, enhancing engine performance and efficiency.

Career Highlights

Throughout his career, Steinwart has been associated with esteemed companies such as Audi NSU Auto Union Aktiengesellschaft and Wankel GmbH. His expertise and inventive mindset have allowed him to work on groundbreaking projects that push the boundaries of engine technology.

Collaborations

In his professional journey, Steinwart has collaborated with notable engineers, including Max Ruf and Armin Bauder. These collaborations have fostered an environment of innovation and creativity, contributing to the success of the projects they undertook together.

Conclusion

Johannes Steinwart's dedication to improving internal combustion engine technologies through his patents underscores his status as a leading inventor in the automotive industry. His innovative designs not only demonstrate his technical expertise but also reflect the potential for advancements in engine performance and efficiency.

Profile summary based on public USPTO records.
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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