This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Fmc Technologies, Inc.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: John Calder - Innovator in Subsea Technology
Introduction
John Calder is an accomplished inventor based in Tomball, TX (US). He has made significant contributions to the field of subsea technology, particularly with his innovative designs and patents. His work focuses on enhancing the functionality and efficiency of subsea systems.
Latest Patents
Calder holds a patent for a magnetically actuated gate valve. This invention involves systems, methods, and devices for magnetically actuating a gate valve of a subsea system via external magnetic actuation from a magnetic actuator. The magnetic actuator is strategically positioned externally around a valve cavity, allowing for the control of a valve stem's motion through magnetic coupling. This design eliminates the need for a physical link and the associated dynamic pressure seals to actuate the valve stem, showcasing a significant advancement in subsea technology.
Career Highlights
John Calder is currently employed at FMC Technologies, Inc., where he continues to develop innovative solutions for subsea applications. His expertise in magnetically actuated systems has positioned him as a key player in the industry.
Collaborations
Calder collaborates with various professionals in his field, including his coworker Paul L. Riley. Their combined efforts contribute to the advancement of subsea technology and the development of new solutions.
Conclusion
John Calder's contributions to subsea technology through his innovative patent for a magnetically actuated gate valve highlight his role as a leading inventor in the field. His work continues to influence the industry and pave the way for future advancements.
