This inventor holds 1 USPTO granted patent. Top assignee: Parker-Hannifin Corporation. Active years: 2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2004
Title: Russell P. Leonard and the Hollow Piston Restrictor
Introduction
Russell P. Leonard is an inventor associated with Plantsville, Connecticut, and Parker-Hannifin Corporation. His patent work addresses fluid-flow control in solenoid valve assemblies.
Latest Patents
Leonard is credited with 1 patent, titled “Hollow Piston Restrictor.” The invention concerns an improved solenoid valve assembly that controls fluid flow through passages between an inlet and an outlet. Its diaphragm assembly includes a movable, symmetrical restrictor with a head, intermediate, and guide portion. The head contains one end of a pilot passage through the main body, while the intermediate portion has an annular extension. Multiple guide legs extend from the main body and are connected to the intermediate portion by a reduced-diameter gullet. Together, these features describe a restrictor designed to move within the valve body as part of the assembly’s flow-control mechanism.
Career Highlights
Leonard’s listed patent reflects work on mechanical components for fluid-control technology. The patent describes how the restrictor’s shape and arrangement relate to the diaphragm assembly and the valve’s operation.
Collaborations
Leonard’s listed coworkers include Robert F. Ferrando and Walter Luciuk. His company affiliation is Parker-Hannifin Corporation.
Conclusion
Russell P. Leonard’s patent on the hollow piston restrictor documents an engineering contribution to solenoid valve design and fluid-flow control.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile