Marshalltown, IA, United States of America

Virgil W Pepper

This inventor holds 2 USPTO granted patents. Top assignee: Fisher Controls International LLC. Active years: 1994-1996.


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1994-1996

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Innovations of Virgil W. Pepper

Introduction

Virgil W. Pepper is a notable inventor based in Marshalltown, IA (US). He has made significant contributions to the field of fluid valve technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of valve packing assemblies.

Latest Patents

Virgil's latest patents include a unique fluid valve graphite packing assembly. This assembly features graphite packing rings and thin PTFE disc rings that surround an operating valve member. The design incorporates softer graphite packing rings on the interior, which are bounded by progressively harder graphite packing rings. A PTFE disc ring is strategically inserted between the graphite packing rings. The packing is subjected to sufficient packing stress, causing the PTFE disc rings to extrude onto the operating valve member. Additionally, a laminated packing ring is formed from alternating sheets of flexible graphite and PTFE, die-cut to provide a crown-shaped cross-section. This innovative design aids in enabling PTFE extrusion, enhancing lubrication and sealing for the valve operating member.

Career Highlights

Virgil W. Pepper is currently employed at Fisher Controls International LLC, where he continues to develop and refine his inventions. His work has been instrumental in advancing the technology used in fluid control systems.

Collaborations

Throughout his career, Virgil has collaborated with notable coworkers such as Frank E. Jensen and Wilbur Dean Hutchens. Their combined expertise has contributed to the successful development of innovative solutions in the industry.

Conclusion

Virgil W. Pepper's contributions to fluid valve technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence the efficiency and effectiveness of valve systems.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…