Humble, TX, United States of America

James Ray Landrith, Ii

This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignee: National Oilwell Varco, L.p.. Active years: 2016-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Ray Landrith, Ii. Retrieved from https://idiyas.com/inventor/james-ray-landrith-ii

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 = 3.3

ph-index = 3

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 2016-2022

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

Title: Innovations of James Ray Landrith, II

Introduction

James Ray Landrith, II is a notable inventor based in Humble, Texas. He has made significant contributions to the field of engineering, particularly in the development of innovative valve technologies. With a total of five patents to his name, Landrith has demonstrated a commitment to advancing fluid control systems.

Latest Patents

One of his latest inventions is the Slow-shift SPM valve. This subplate mounted valve features a valve body with a pilot port and a piston that is actuated by fluid from the pilot port. The design includes two control chambers that are fluidically isolated from the pilot port, along with a flow restrictor that manages the flow between these chambers. The valve also incorporates a cage with supply, return, and work ports, and a spool that selectively restricts flow between the supply and return ports. Another aspect of the Slow-shift SPM valve is its ability to control actuation rates by bi-directionally managing the fluid that actuates the valve. This innovation allows for precise control over the opening and closing positions of the main system fluid passage.

Career Highlights

James Ray Landrith, II is currently employed at National Oilwell Varco, L.P., where he continues to develop and refine his innovative technologies. His work has had a significant impact on the efficiency and functionality of fluid control systems in various applications.

Collaborations

Throughout his career, Landrith has collaborated with talented individuals such as Eric Trevor Ensley and Jonathan Lewis Buelow. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

James Ray Landrith, II is a distinguished inventor whose work in valve technology has led to several important patents. His contributions continue to influence the field of fluid control systems, showcasing his dedication to innovation and engineering excellence.

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]
Loading…