Company Filing History:
Years Active: 1986-1988
Title: Harold T Keller: A Legacy of Innovation in Brazing Technology
Introduction
Harold T Keller was a notable inventor whose contributions to the field of brazing technology have left a lasting impact. Based in Pittsburgh, PA, he was known for his innovative approaches to metal joining techniques. His work has been recognized for its practical applications and advancements in manufacturing processes.
Latest Patents
Keller held a total of 2 patents during his career. His most significant patent was for a brazing sleeve that featured a ceramic flux band and a method for applying it. This invention involved a metal brazing sleeve that included a ceramic flux band formed adjacent to an annular recess near the open end of the sleeve. The process involved adhering a powder flux to the sleeve using a tacky adhesive, followed by melting the powder flux in place through internal heating of the tube. The ceramic flux band was designed to be hard, adherent, and resistant to abrasion effects during the insertion of the sleeve into a tube. This innovation also provided a shadow effect that protected an optional cemented powder flux band on the braze ring.
Career Highlights
Keller's career was marked by his association with Westinghouse Electric Corporation, where he applied his expertise in brazing technology. His work contributed to the development of more efficient and reliable manufacturing processes, enhancing the capabilities of the company in the industry.
Collaborations
Throughout his career, Keller collaborated with several notable colleagues, including Wenche W Cheng and Donald R Stoner. These collaborations fostered an environment of innovation and shared knowledge, further advancing the field of brazing technology.
Conclusion
Harold T Keller's contributions to brazing technology and his innovative spirit have made a significant impact in the field. His legacy continues to inspire future generations of inventors and engineers.