Emskirchen, Germany

Hermann Stief

This inventor holds 3 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Schaeffler Technologies Ag & Co .Kg. Active years: 2008-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hermann Stief. Retrieved from https://idiyas.com/inventor/hermann-stief

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

USPTO Granted Patents = 3 

 

Average Co-Inventor Count = 1.6

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2008-2015

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3 patents (USPTO):Explore Patents

Title: Hermann Stief: Innovator in Internal Combustion Engine Technology

Introduction

Hermann Stief is a notable inventor based in Emskirchen, Germany. He has made significant contributions to the field of internal combustion engine technology, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and functionality of engine components.

Latest Patents

Stief's latest patents include a secondary assembly drive of an internal combustion engine and a method for operating the same. This invention features a first drive wheel that connects to the crankshaft of the engine, an electric machine that can function as either a generator or a motor, and a second drive wheel linked to the electric machine. Additionally, it incorporates an air-conditioning compressor and a third drive wheel connected to it. The design allows for an actuable clutch to disconnect the electric machine and air-conditioning compressor from the crankshaft when necessary. Another notable patent is a generator drive system for an internal combustion engine, which includes a flexible drive with a traction mechanism guided across a generator pulley. This system enables the generator to be temporarily driven as a motor, enhancing its operational versatility.

Career Highlights

Throughout his career, Hermann Stief has worked with prominent companies such as Schaeffler Technologies AG & Co. KG and Schaeffler Technologies GmbH & Co. KG. His experience in these organizations has contributed to his expertise in developing innovative solutions for internal combustion engines.

Collaborations

Stief has collaborated with talented individuals in the field, including Matthias Schmidl and Christian Riel. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hermann Stief's contributions to internal combustion engine technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a drive to improve existing systems. His work continues to influence the automotive industry and inspire future inventors.

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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