Darmstadt, Germany

Harald Ehrentraut

This inventor holds 4 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Carl Freudenberg Kg, Brita Gmbh, Daimler Ag. Active years: 2011-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harald Ehrentraut. Retrieved from https://idiyas.com/inventor/harald-ehrentraut

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

USPTO Granted Patents = 4 

% Patents Active = 50.0


Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2011-2015

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4 patents (USPTO):Explore Patents

Title: Innovations of Harald Ehrentraut

Introduction

Harald Ehrentraut is a notable inventor based in Darmstadt, Germany. He has made significant contributions to the field of fluid management in fuel cell systems. With a total of 4 patents, his work focuses on enhancing the efficiency and functionality of humidifiers.

Latest Patents

One of his latest patents is a humidifier device designed for humidifying a fluid in a fuel cell system of a motor vehicle. This innovative device features a housing that contains at least one membrane and includes a bypass channel with a non-circular cross-section. Another patent involves a humidifier that incorporates multiple fibers constructed as water-permeable hollow fiber membranes. In this design, a first air stream is passed inside the fibers while a second air stream is passed outside, and the housing is of a flattened design.

Career Highlights

Throughout his career, Harald has worked with prominent companies such as Carl Freudenberg KG and Brita GmbH. His experience in these organizations has allowed him to develop and refine his innovative ideas in fluid management technologies.

Collaborations

Harald has collaborated with notable professionals in his field, including Klaus Leister and Bernd Altmueller. These partnerships have contributed to the advancement of his inventions and the successful implementation of his patented technologies.

Conclusion

Harald Ehrentraut's contributions to the field of humidification technology are noteworthy. His innovative patents and collaborations reflect his commitment to enhancing fuel cell systems.

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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