Company Filing History:
Years Active: 1976-1979
Title: The Innovative Contributions of Donald D. Rice
Introduction
Donald D. Rice is a notable inventor based in Marshalltown, IA (US), recognized for his significant contributions to valve technology. With a total of three patents to his name, Rice has made advancements that enhance the functionality and efficiency of valve mechanisms.
Latest Patents
One of Rice's latest patents is for a valve construction that features a single-ported double-seated valve mechanism. This design includes a valve body with an inlet and outlet connected by a flow passage and a chamber for receiving valve trim. The bonnet is secured to the valve body, and the valve trim is fixedly secured to the bonnet, allowing for easy removal as a unit. Another notable patent is the quick change valve trim assembly, which includes a valve cage member and a valve plug that cannot be independently rotated. This innovative design allows for quick installation and removal of the valve trim assembly with minimal tools, enhancing operational efficiency.
Career Highlights
Donald D. Rice is currently employed at Fisher Controls Company, Inc., where he continues to develop and refine valve technologies. His work has contributed to the advancement of the industry, making significant impacts on how valves are designed and utilized.
Collaborations
Rice collaborates with various professionals in his field, including his coworker Herbert H. Walton, to further innovate and improve valve mechanisms.
Conclusion
Donald D. Rice's contributions to valve technology through his patents and work at Fisher Controls Company, Inc. highlight his role as a significant inventor in the industry. His innovative designs continue to influence the field of valve engineering.