Easley, SC, United States of America

Robert B Janvrin

This inventor holds 1 USPTO granted patent. Top assignee: Danfoss LLC. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert B Janvrin. Retrieved from https://idiyas.com/inventor/robert-b-janvrin-krp7mzdq

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Robert B. Janvrin

Introduction

Robert B. Janvrin is a notable inventor based in Easley, SC (US). He has made significant contributions to the field of hydraulic systems, particularly in the design of hydraulic valve assemblies for power mowers. His innovative approach has led to the development of a patent that enhances the functionality and efficiency of mowing equipment.

Latest Patents

Janvrin holds a patent for a hydraulic valve assembly that is specifically designed for controlling the elevation and operation of a mowing deck in power mowers. This assembly features a housing with a valve spool that can be positioned in four distinct positions: cylinder activation, neutral, cylinder relief and motor start, and motor run. In the cylinder activation position, pump pressure is directed to a deck raising cylinder, allowing for efficient operation. The neutral position maintains the status quo by venting the pump to the tank. The cylinder relief and motor start position enables the mowing deck to lower under its own weight by relieving pressure, while the motor run position connects the motor to high pressure, ensuring optimal performance.

Career Highlights

Janvrin's career has been marked by his dedication to innovation in hydraulic systems. He is currently employed at Danfoss LLC, where he continues to develop and refine technologies that improve the functionality of power mowers. His work has not only contributed to the efficiency of mowing equipment but has also set a standard for future innovations in the industry.

Collaborations

Throughout his career, Janvrin has collaborated with talented individuals such as Jeffrey J. Karabetsos and John Louis Bocksnick. These collaborations have fostered an environment of creativity and innovation, leading to advancements in hydraulic technology.

Conclusion

Robert B. Janvrin's contributions to hydraulic valve assemblies have significantly impacted the power mower industry. His innovative designs and collaborative efforts continue to inspire advancements in hydraulic technology.

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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