Herzogenaurach, Germany

Helmut Engelhardt

This inventor holds 14 USPTO granted patents and 3 EPO patents. Top assignees: Schaeffler Technologies Ag & Co .Kg, Ina Schaeffler Kg, Ina Walzlager Schaeffler Ohg. Active years: 1998-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Helmut Engelhardt. Retrieved from https://idiyas.com/inventor/helmut-engelhardt

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


% Patents Active = 71.4

 

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 74(Granted Patents)


Company Filing History:


Years Active: 1998-2018

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14 patents (USPTO):Explore Patents

Title: Helmut Engelhardt: Innovator in Internal Combustion Engine Technology

Introduction

Helmut Engelhardt is a notable inventor based in Herzogenaurach, Germany. He has made significant contributions to the field of internal combustion engine technology, holding a total of 14 patents. His innovative designs have advanced the efficiency and functionality of engine components.

Latest Patents

Engelhardt's latest patents include a variable-stroke valve train for internal combustion engines. This invention relates to a DOHC sliding cam valve train designed for a four-cylinder in-line engine with cylinder shutoff capabilities. One of the camshafts features two shared cam pieces for adjacent engine cylinders. Another notable patent is the lever-type cam follower, which is crafted from sheet steel without chip removal. This cam follower is specifically designed for use in a valve train to actuate gas exchange valves and is characterized by its construction from cold-forming, core-hardening heat-treatable steel.

Career Highlights

Throughout his career, Engelhardt has worked with prominent companies in the automotive industry, including Schaeffler Technologies AG & Co. KG and INA Schaeffler KG. His work has been instrumental in developing advanced technologies that enhance engine performance and reliability.

Collaborations

Engelhardt has collaborated with esteemed colleagues such as Wolfgang Mayer and Dieter Schmidt. Their combined expertise has contributed to the successful development of innovative engine technologies.

Conclusion

Helmut Engelhardt's contributions to internal combustion engine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in engine design and functionality.

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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