David R Mefford

Title: **David R Mefford: A Visionary Inventor in Valve Technology**

Introduction

David R Mefford is a distinguished inventor based in The Woodlands, TX, renowned for his innovative contributions in the field of valve technology. With a remarkable portfolio of five patents, he has made significant advancements that have transformed the industry.

Latest Patents

Among his latest inventions is a sophisticated valve actuator. This actuator features a lower housing equipped with a mounting spool for effective coupling to a valve body. The design includes a rotating sleeve connected to a stem connector within the lower housing. A uniquely designed fixed sleeve is also integrated, containing a first slot and a rotating sleeve with a second slot—where one of the slots is a helical design, enhancing functionality. An axle engages both slots, and a shaft linked to this axle extends through a connector flange at the upper end of the lower housing. A piston couples to the shaft and operates within an upper housing, translating axial movement into rotational motion of the rotating sleeve.

Another notable patent involves a hydraulic control system tailored for a valve actuator. This system includes a first control valve regulating fluid communication from a pressure source to a supply tank, along with a second control valve for additional fluid regulation. A flow control member manages communication between the supply tanks, complemented by an exhaust valve that effectively routes fluid communication to an outlet. These advancements highlight his commitment to improving the efficiency and functionality of valve actuator systems.

Career Highlights

David R Mefford has contributed his expertise to prominent organizations such as Cooper Cameron Corporation and Cameron International Corporation. His experiences in these firms have played a pivotal role in shaping his innovative mindset and technological contributions.

Collaborations

Throughout his career, Mefford has collaborated with notable professionals, including Daryl L Ard and Albert S Davis. These partnerships have enriched his work, fostering an environment of creativity and technological advancement in valve systems.

Conclusion

David R Mefford stands out as a beacon of innovation in the valve technology sector. His latest patents reflect his deep understanding of engineering and design intricacies, paving the way for smarter, more efficient valve systems. With a legacy of valuable contributions, Mefford continues to inspire future generations of inventors and engineers.