Reno, NV, United States of America

Larry F Koll

This inventor holds 4 USPTO granted patents. Top assignee: The Clarkson Company. Active years: 1987-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Larry F Koll. Retrieved from https://idiyas.com/inventor/larry-f-koll

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 = 2.5

ph-index = 4

Forward Citations = 103(Granted Patents)


Company Filing History:


Years Active: 1987-1994

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4 patents (USPTO):Explore Patents

Title: Innovations by Larry F Koll

Introduction

Larry F Koll is a notable inventor based in Reno, NV, who has made significant contributions to the field of valve technology. With a total of four patents to his name, Koll has developed innovative solutions that enhance the functionality and reliability of valves in various applications.

Latest Patents

Among his latest inventions is the line blind valve, which features a unique design that includes a housing with opposed similar housing halves. This valve incorporates resilient sleeve units that compressibly engage each other in the open condition and engage opposite sides of the gate or blind when closed. The design allows for visibility of all gate edges, providing a clear indication that the gate has completely passed through the seals. Additionally, the line blind valve ensures no leakage to the outside when fully open and no leakage past the gate when fully closed. Another significant invention is the packingless gate valve, which also utilizes a similar housing design and resilient sleeve units. This valve construction results in no leakage when fully open and closed, and it includes a lockout device to prevent unintended operation.

Career Highlights

Larry F Koll has established himself as a key figure in valve innovation through his work at The Clarkson Company. His expertise in valve design and engineering has led to the development of advanced products that meet industry standards and customer needs.

Collaborations

Koll has collaborated with notable colleagues, including Curtis W Clarkson and Nicholas J Williams, to further enhance the capabilities and applications of their valve technologies.

Conclusion

Larry F Koll's contributions to valve technology through his innovative patents demonstrate his commitment to advancing engineering solutions. His work continues to impact the industry positively, ensuring reliability and efficiency in valve operations.

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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