Stuttgart, Germany

Sigfrid Hafner

This inventor holds 1 USPTO granted patent. Top assignee: Robert Bosch. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigfrid Hafner. Retrieved from https://idiyas.com/inventor/sigfrid-hafner

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


% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Sigfrid Hafner: Innovator in Internal Combustion Technology

Introduction

Sigfrid Hafner is a notable inventor based in Stuttgart, Germany. He has made significant contributions to the field of internal combustion technology. His innovative work has led to the development of a patented device that enhances engine performance.

Latest Patents

Hafner holds a patent for a "Device for detecting knocking and regulation of an internal combustion." This invention is crucial for improving the efficiency and reliability of internal combustion engines. It showcases his expertise in automotive technology and engineering.

Career Highlights

Sigfrid Hafner is associated with Robert Bosch, a leading global supplier of technology and services. His role at Bosch has allowed him to work on cutting-edge projects that push the boundaries of automotive innovation. With 1 patent to his name, Hafner has established himself as a key player in the industry.

Collaborations

Hafner has collaborated with talented coworkers such as Stefan Unland and Werner Haeming. Their combined efforts have contributed to advancements in automotive technology and have fostered a culture of innovation within their team.

Conclusion

Sigfrid Hafner's contributions to internal combustion technology exemplify the spirit of innovation. His work at Robert Bosch and his patented inventions continue to influence the automotive industry.

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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