Company Filing History:
2 out of 15 
1 out of 601 
Years Active: 1976-1980
Title: Innovations of John W McCaskill
Introduction
John W McCaskill is a notable inventor based in Houston, Texas, recognized for his contributions to the field of engineering with a focus on subsea technology. He holds three patents that showcase his innovative approach to solving complex engineering challenges.
Latest Patents
One of his latest patents is a "Pipe joint with remotely operable latch." This invention involves a breech block connector that connects two pipes supported vertically in a subsea location. The connector features male and female elements, with one element having longitudinally extending circumferentially spaced lugs, while the other has a stop to limit relative rotation. A longitudinally movable latch member is designed to engage one of the lugs, preventing disconnection. Additionally, a hydraulic cylinder is included to apply pressure to the latch member.
Another significant patent is the "High pressure valve." This valve consists of a housing with an inlet and outlet, and a chamber in between. It features a reciprocating gate for opening and closing the valve, with metal-to-metal seals at all junctures. The design includes a combination seal ring of metal and plastic to prevent extruding, ensuring reliability in high-pressure applications.
Career Highlights
Throughout his career, John W McCaskill has worked with prominent companies such as McEvoy Oilfield Equipment Company and Exxon Production Research Company. His experience in these organizations has contributed to his expertise in the field and has allowed him to develop innovative solutions for the oil and gas industry.
Collaborations
John has collaborated with notable professionals in his field, including David P Herd and Robert D Barnett. These collaborations have likely enriched his work and contributed to the development of his patents.
Conclusion
John W McCaskill's innovative patents and extensive career in engineering highlight his significant contributions to subsea technology. His work continues to influence the industry and showcases the importance of innovation in engineering solutions.