Frankfurt, Germany

Willi Apel

This inventor holds 1 USPTO granted patent. Top assignee: Hartmann & Braun Ag. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willi Apel. Retrieved from https://idiyas.com/inventor/willi-apel

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 = 5.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Willi Apel: Innovator in Photometry

Introduction

Willi Apel is a notable inventor based in Frankfurt, Germany. He is recognized for his contributions to the field of photometry, particularly in the measurement of hot gases. His innovative approach has led to the development of a unique photometer that enhances measurement accuracy in various applications.

Latest Patents

Willi Apel holds a patent for a photometer designed for measuring hot gases. This photometer includes a radiation source, a measuring chamber, and a receiver, all arranged within a casing. Through coupling-decoupling members, it produces defined temperature gradients between the measuring chamber and the receiver-transmitter. Additionally, other gradients are established towards the cooled housing through appropriate coupling members. This invention showcases his expertise in creating advanced measurement devices.

Career Highlights

Throughout his career, Willi Apel has made significant strides in the field of photometry. He is associated with Hartmann & Braun AG, a company known for its innovative solutions in measurement and control technology. His work has contributed to the advancement of measurement techniques, particularly in high-temperature environments.

Collaborations

Willi Apel has collaborated with notable colleagues, including Walter Fabinski and Heinz Wolf. These partnerships have fostered a creative environment that has led to further innovations in their respective fields.

Conclusion

Willi Apel's contributions to photometry and his innovative patent for measuring hot gases highlight his role as a significant inventor in the industry. His work continues to influence measurement technologies, showcasing the importance of innovation in scientific advancements.

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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