Euclid, OH, United States of America

George D Diehl

This inventor holds 1 USPTO granted patent. Top assignee: The Nupro Company. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: George D Diehl. Retrieved from https://idiyas.com/inventor/george-d-diehl

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 = 6.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: George D. Diehl: Innovator in Fluid Filter Technology

Introduction

George D. Diehl is a notable inventor based in Euclid, OH (US), recognized for his contributions to fluid filter technology. With a patent to his name, Diehl has made significant strides in improving the efficiency and accessibility of fluid filtration systems.

Latest Patents

Diehl's patent, titled "Fluid Filter," describes a sophisticated design that includes a filter body with inlet and outlet passages communicating with an open-ended chamber on opposite sides of a tapered seat area. The design features a cup-shaped fluid filter or strainer element located in the chamber, which is closely received in the seat area. A bonnet assembly covers the open end of the chamber and is threadedly mounted to the body. This assembly consists of a bonnet, a bonnet nut, and biasing means that exert a continuous force against the filter element, urging it toward the seat area. The innovative structure allows for easy access to the chamber and filter element without the need to remove the entire fluid filter from its installation.

Career Highlights

Diehl is associated with The Nupro Company, where he has contributed to advancements in fluid filtration technology. His work has been instrumental in developing products that enhance the performance and reliability of fluid systems.

Collaborations

Diehl has collaborated with notable coworkers, including Earl D. Shufflebarger and Edward E. Kish, Jr. Their combined expertise has fostered an environment of innovation and creativity within their field.

Conclusion

George D. Diehl's contributions to fluid filter technology exemplify the spirit of innovation. His patent reflects a commitment to improving the functionality and accessibility of filtration systems. Through his work at The Nupro Company, Diehl continues to influence the industry positively.

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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