Erftstadt, Germany

Berthold Fischer

This inventor holds 1 USPTO granted patent. Top assignee: Leybold Aktiengesellschaft. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Berthold Fischer. Retrieved from https://idiyas.com/inventor/berthold-fischer-ae6g7vyh

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Berthold Fischer: Innovator in Pump Technology

Introduction

Berthold Fischer is a notable inventor based in Erfstadt, Germany. He has made significant contributions to the field of pump technology, particularly through his innovative methods for oil delivery in multi-stage pumps. His work has implications for various industrial applications, enhancing the efficiency and functionality of high-vacuum systems.

Latest Patents

Fischer holds a patent for a "Method and apparatus for delivering oil to a multi-stage pump." This invention outlines a method for delivering oil into the pump chamber of a high-vacuum stage. The process involves sensing pressures at both the intake and discharge regions of the pump. Oil is delivered based on the pressure difference, with increased quantities supplied when this difference exceeds a predetermined threshold. Additionally, a gas ballast can be introduced under similar conditions. The apparatus features a diaphragm valve that regulates oil flow based on pressure differentials, ensuring optimal performance of the pump.

Career Highlights

Fischer is associated with Leybold Aktiengesellschaft, a company renowned for its advancements in vacuum technology. His role at Leybold has allowed him to apply his innovative ideas in practical settings, contributing to the company's reputation as a leader in the industry. His patent reflects his commitment to improving pump efficiency and reliability.

Collaborations

Fischer has worked alongside esteemed colleagues such as Hanns-Peter Berges and Peter Mueller. Their collaborative efforts have fostered an environment of innovation and creativity, leading to advancements in pump technology.

Conclusion

Berthold Fischer's contributions to pump technology through his patented methods demonstrate his expertise and commitment to innovation. His work continues to influence the industry, showcasing the importance of advancements in engineering and 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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