Company Filing History:
Years Active: 1986
Title: The Innovative Contributions of Robert MacDonald
Introduction
Robert MacDonald is a notable inventor based in Phoenix, AZ. He has made significant contributions to the field of valve technology. His innovative designs have led to the development of a unique valve that enhances functionality and efficiency.
Latest Patents
MacDonald holds a patent for a three-piece angle stop valve. This valve comprises a valve body, a resilient control sleeve, and a handle, eliminating the need for separate fastening or sealing elements. The inlet line pressure biases the side walls of the control sleeve and a circumferential sealing flap into sealing engagement with the valve bore, effectively preventing leakage. The handle is secured to the valve body by resilient formations that snap into a circumferential groove on the valve body. The handle rotates the control sleeve through telescoping splines, and several circumferential and axial reinforcing ribs are formed on the interior of the control sleeve.
Career Highlights
MacDonald is currently associated with Brasscraft Manufacturing Company, where he continues to innovate and improve valve designs. His work has been instrumental in advancing the technology used in plumbing and fluid control systems.
Collaborations
Some of his notable coworkers include Larry G Turner and Leo S Stanish, who have also contributed to various projects within the company.
Conclusion
Robert MacDonald’s inventive spirit and dedication to improving valve technology have made a lasting impact in his field. His patent for the angle stop valve exemplifies his commitment to innovation and efficiency.