Zurich, Switzerland

Helmut Lehmann

This inventor holds 1 USPTO granted patent. Top assignee: Sulzer Brothers Limited. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Helmut Lehmann. Retrieved from https://idiyas.com/inventor/helmut-lehmann-cl6ln8at

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 = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Helmut Lehmann: Innovator in Contactless Sealing Technology

Introduction

Helmut Lehmann is a notable inventor based in Zurich, Switzerland. He is recognized for his innovative contributions to sealing technology, particularly in the development of contactless seals. His work has significantly impacted various industrial applications, enhancing efficiency and reliability.

Latest Patents

Lehmann holds a patent for a contactless seal, which features a pressure chamber within the sealing member. This chamber is subdivided by webs into multiple individual sub-chambers, each equipped with restrictors that connect to the barrier medium supply. This design allows for a uniform adjustment across the entire periphery of the gap between the sealing member and the rotating part. The use of pressure-filled tubes serves to bias the sealing member from within a groove in the stationary part towards the rotatable part, ensuring optimal performance.

Career Highlights

Lehmann is associated with Sulzer Brothers Limited, a company known for its engineering and manufacturing expertise. His work at Sulzer has allowed him to apply his innovative ideas in practical settings, contributing to the company's reputation for quality and innovation in sealing solutions.

Collaborations

Throughout his career, Lehmann has collaborated with esteemed colleagues such as Alfred Christ and Ludwig Kantor. These partnerships have fostered a creative environment that has led to advancements in sealing technology.

Conclusion

Helmut Lehmann's contributions to contactless sealing technology exemplify the spirit of innovation. His patent and work at Sulzer Brothers Limited highlight the importance of engineering advancements in industrial applications. His legacy continues to influence the field of sealing 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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