Company Filing History:
4 out of 39 
13 out of 832,812 Years Active: 1994-2021
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.