Company Filing History:
Years Active: 1982-1989
Title: Innovations by John S. Fetterolf
Introduction
John S. Fetterolf is a notable inventor based in Royersford, Pennsylvania. He has made significant contributions to the field of engineering, particularly in the development of high-pressure valves and line blinds. With a total of two patents to his name, Fetterolf's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
Fetterolf's latest patents include a high-pressure valve and a line blind. The high-pressure valve features an arrangement that provides access to the seal rings of a seatless valve through an aperture in the valve body. This design allows for the replacement of valve seal rings without the need to disassemble major components, such as the valve plunger and gland. The line blind incorporates seal rings on either side of a spectacle plate within a pipe. It utilizes a unique camming arrangement with two sets of longitudinally directed sloping teeth that engage under pressure, ensuring a secure connection between the seal rings and the plate.
Career Highlights
Fetterolf has established himself as a key figure in his field through his innovative designs and engineering solutions. His work at Fetterolf Corporation has allowed him to apply his expertise in practical applications, contributing to advancements in valve technology.
Collaborations
Fetterolf has collaborated with notable colleagues, including James W. Williams, 3rd, and Andrew M. Ritter. These partnerships have fostered a creative environment that encourages the development of new ideas and technologies.
Conclusion
John S. Fetterolf's contributions to engineering through his patents reflect his commitment to innovation and problem-solving. His work continues to influence the industry, showcasing the importance of creativity in engineering design.