Elgin, IL, United States of America

Gregory R Vassmer

This inventor holds 1 USPTO granted patent. Top assignee: Chicago Rawhide Mfg. Co.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Gregory R Vassmer. Retrieved from https://idiyas.com/inventor/gregory-r-vassmer-o0qjtyzi

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 = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Gregory R. Vassmer - An Innovator in Oil Seal Technology

Introduction

Gregory R. Vassmer, an accomplished inventor residing in Elgin, Illinois, has made significant contributions to the field of mechanical engineering with his innovative designs. With one patent to his name, Vassmer has proven his expertise in the creation of highly effective oil seal units, enhancing the functionality and reliability of various mechanical systems.

Latest Patents

Vassmer's noteworthy patent is titled "Seal having casing unit with contoured annular inner diameter." This patent describes an advanced oil seal unit that consists of an elastomeric sealing lip portion paired with a rigid casing. The casing features a mounting flange, a radially extending offsetting flange, and an annular inner mounting bead formed by folding multiple thicknesses of casing material. This design is engineered to resist failure under high-pressure applications, ensuring durability and efficiency in its sealing capabilities. By incorporating a rounded exterior surface directed toward the sealed region, the seal is not only functional but also optimally designed for performance.

Career Highlights

Gregory R. Vassmer is affiliated with Chicago Rawhide Manufacturing Company, where he has applied his skills and creativity to develop innovative sealing solutions. His work has emphasized the importance of effective sealing in various mechanical contexts, protecting internal components from contaminants and ensuring operational reliability.

Collaborations

Throughout his career, Vassmer has collaborated with esteemed professionals, including his coworker William M. Riley, Jr. These collaborations have fostered an environment of innovation and shared expertise, contributing to the success of their projects and advancements in sealing technology.

Conclusion

Gregory R. Vassmer's contributions to the invention of oil seals illustrate the impact of innovative engineering solutions on mechanical reliability. His work continues to influence the industry, setting standards for quality and performance in sealing applications. With his patent, Vassmer stands as a testament to the potential of inventive thinking in solving real-world engineering challenges.

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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