Paul D Engdahl is a notable inventor based in Costa Mesa, California. He has made significant contributions to the field of gas shutoff valves, holding a total of 14 patents. His innovative designs focus on safety and functionality, particularly in the context of earthquake preparedness.

Latest Patents

Among his latest patents is the "Ball Seat Leveler," which features a gas shutoff valve that utilizes a ball mechanism. This ball typically resides in a first seat, but when disturbed, it moves to a second seat, effectively blocking gas flow. The design includes an adjustable seating ball that compensates for gas line angles, allowing for precise adjustments using a leveling tool. Another significant patent is the "Earthquake Actuated Horizontal Valve with Micro Switch." This device incorporates a flapper-valve that blocks gas flow and a micro switch for circuit control. A seismic sensor detects earthquake-like accelerations, triggering the flapper-valve to close and block gas flow, thereby enhancing safety during seismic events.

Career Highlights

Throughout his career, Engdahl has demonstrated a commitment to innovation in safety mechanisms for gas systems. His patents reflect a deep understanding of both engineering principles and the practical needs of consumers in earthquake-prone areas.

Collaborations

Engdahl has worked alongside notable colleagues, including Roger P Engdahl and Roland S McGee. Their collaborative efforts have contributed to the development of advanced safety technologies in the gas industry.

Conclusion

Paul D Engdahl's inventive spirit and dedication to safety have led to significant advancements in gas shutoff technology. His work not only showcases his engineering prowess but also emphasizes the importance of innovation in protecting lives during natural disasters.

Profile summary based on public USPTO records.

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