This inventor holds 6 USPTO granted patents. Top assignees: Rockwell International Corporation, United States of America as Represented by the Secretary of the Air Force, Other. Active years: 1977-1987.
Company Filing History:


Years Active: 1977-1987
Title: James R. Fenwick: Innovator in Bearing Technology
Introduction
James R. Fenwick is a notable inventor based in Chatsworth, CA (US). He has made significant contributions to the field of engineering, particularly in the design of ball bearing assemblies and protective devices for liquid tanks. With a total of 6 patents to his name, Fenwick's work showcases his innovative spirit and technical expertise.
Latest Patents
Among his latest patents is the "Self-adjusting ball bearing cage." This invention features a ball bearing assembly that includes first and second race members with concave ball engaging surfaces. These surfaces cooperate to define a path of movement for the balls located between them. The cage member interposed between the race members contains apertures that engage the balls at an angle to the path of movement.
Another significant patent is the "Liquid tank weld cavitation protection." This device is designed to protect the edge weld of a thin metal bladder positioned within a rigid walled tank from cavitation-induced collapse. The invention includes a backing made of hard and ductile material, which is placed between the bladder and the tank. Additionally, a T-shaped ring is positioned within the bladder to provide further structural support.
Career Highlights
Throughout his career, James R. Fenwick has worked with various organizations, including the United States of America as represented by the Secretary of the Air Force. His innovative designs have contributed to advancements in engineering and manufacturing processes.
Collaborations
Fenwick has collaborated with notable individuals in his field, including Yi M. Chang and George H. Karigan. These partnerships have likely enhanced the development and implementation of his inventions.
Conclusion
James R. Fenwick's contributions to the field of engineering through his patents reflect his dedication to innovation and problem-solving. His work continues to influence the design and functionality of critical components in various applications.