Cologne, Germany

Hans-Ulrich Haefner

This inventor holds 2 USPTO granted patents. Top assignee: Leybold Aktiengesellschaft. Active years: 1990-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Ulrich Haefner. Retrieved from https://idiyas.com/inventor/hans-ulrich-haefner

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 = 3.4

ph-index = 2

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 1990-1996

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2 patents (USPTO):Explore Patents

Title: Innovations of Hans-Ulrich Haefner

Introduction

Hans-Ulrich Haefner is a notable inventor based in Cologne, Germany. He has made significant contributions to the field of cryogenics, particularly through his innovative designs and methods. With a total of 2 patents, his work has had a considerable impact on the industry.

Latest Patents

Among his latest patents is a cryogenic pump featuring an essentially cup-shaped housing. This invention is designed to enhance the efficiency and functionality of cryogenic systems. Additionally, he has developed a method and apparatus for checking the operation of a refrigerator-operated cryogenic pump. This method involves interrogating various data of the cryogenic pump, particularly the net refrigerating power of the refrigerating unit, under different operating conditions. The data collected is then compared to rated data to ensure optimal performance.

Career Highlights

Hans-Ulrich Haefner has been associated with Leybold Aktiengesellschaft, a company known for its advancements in vacuum technology and cryogenics. His work at Leybold has allowed him to push the boundaries of what is possible in cryogenic applications.

Collaborations

He has collaborated with notable colleagues such as Manfred Klotz and Wilhelm Strasser, contributing to a dynamic work environment that fosters innovation and creativity.

Conclusion

Hans-Ulrich Haefner's contributions to cryogenics through his patents and collaborative efforts highlight his importance in the field. His innovative spirit continues to inspire advancements in technology.

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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