Company Filing History:
2 out of 2 
1 out of 14 
1 out of 1,372 Years Active: 1976-1979
Title: The Innovative Contributions of Francis H Tennis
Introduction
Francis H Tennis is a notable inventor based in Oconomowoc, Wisconsin. He has made significant contributions to the field of hydraulic control systems, holding a total of four patents. His work has had a lasting impact on the efficiency and functionality of hydraulic motors.
Latest Patents
Among his latest patents is the "Control valve with flow control means." This invention features an open center type control valve designed for hydraulic motors. It allows pressure fluid from a source to flow from the valve inlet to a motor port at a uniformly metered rate, even when there are fluctuations in the load on the governed fluid motor. This is achieved through a flow control mechanism that regulates the bypass of excess fluid. Another significant patent is the "Pressure compensated hydraulic control valve." This mechanism includes a port that diverts excess supply fluid to the tank, ensuring precise control over the motor governed by the control valve.
Career Highlights
Throughout his career, Francis H Tennis has worked with reputable companies such as Hydraulic Industries, Inc. and Tomco. His experience in these organizations has contributed to his expertise in hydraulic systems and control valves.
Collaborations
(Section skipped due to space constraints.)
Conclusion
Francis H Tennis has made remarkable advancements in hydraulic control technology through his innovative patents and professional experience. His contributions continue to influence the industry today.