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For the Inventor, By the Inventor

Raleigh, NC, United States of America

John Leslie Johnson

This inventor holds 17 USPTO granted patents and 2 published patent applications. Top assignees: Emco Wheaton Gmbh, Other. Active years: 1994-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Leslie Johnson. Retrieved from https://idiyas.com/inventor/john-leslie-johnson

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 17 

% Patents Active = 82.4

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 122(Granted Patents)


Company Filing History:

goldMedal4 out of 39 
 
Emco Wheaton Gmbh
 patents
silverMedal13 out of 834,513 
Other
 patents

Years Active: 1994-2021

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17 patents (USPTO):Explore Patents
1. 11079036 - Double action direction fluid flow valve (2021-08-03),
2. 10378671 - Double action direction fluid flow valve (2019-08-13),
3. 10018529 - Valve manifold (2018-07-10),
4. 9841116 - Double action direction fluid flow valve (2017-12-12),
5. 9587757 - Double action direction fluid flow valve (2017-03-07),
6. 9404603 - Valve manifold (2016-08-02),
7. 9395016 - Double action direction fluid flow valve (2016-07-19),
8. 8820703 - Double action directional fluid flow valve (2014-09-02),
9. 8714196 - Valve Manifold (2014-05-06),
10. 8256738 - Double action directional fluid flow valve (2012-09-04),
11. 8177188 - Valve manifold (2012-05-15),
12. 7490625 - Pilot valve manifold (2009-02-17),
13. 6435010 - Leak detection system (2002-08-20),
14. 5469900 - Fuel dispensing nozzle having hold-open clip with lockout mechanism (1995-11-28),
15. 5390712 - Fuel dispensing and vapor recovery nozzle (1995-02-21),

Title: The Innovative Contributions of John Leslie Johnson

Introduction

John Leslie Johnson is a notable inventor based in Raleigh, NC, with an impressive portfolio of 17 patents. His work primarily focuses on advancements in fluid flow technology, showcasing his expertise and innovative spirit in the field.

Latest Patents

Among his latest inventions is the double action directional fluid flow valve. This innovative valve features a stepped piston connected to a poppet valve, which can be moved by a controller between open and closed positions. The mechanism operates by applying continuous pressure to a small diameter piston face while selectively applying and removing pressure from a large diameter piston face. This design allows for efficient control of the poppet valve, enhancing fluid flow management.

Career Highlights

Throughout his career, John has made significant contributions to various companies, including Emco Wheaton GmbH. His work has been instrumental in developing technologies that improve fluid dynamics and control systems.

Collaborations

John has collaborated with several talented individuals, including James G Johnson and Chih-Kun J Shih. These partnerships have fostered innovation and creativity in his projects.

Conclusion

John Leslie Johnson's contributions to the field of fluid flow technology through his patents and collaborations highlight his role as a significant inventor. His innovative designs continue to influence the industry and pave the way for future advancements.

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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