Company Filing History:
Years Active: 2014-2019
Title: Innovations of David W Selfridge, Jr.
Introduction
David W Selfridge, Jr. is a notable inventor based in Greensburg, PA (US). He has made significant contributions to the field of engineering, particularly in the area of heat exchangers. With a total of 8 patents to his name, his work has had a substantial impact on the industry.
Latest Patents
One of his latest patents is titled "Targeted heat exchanger deposit removal by combined dissolution and mechanical removal." This invention focuses on compositions and methods for the partial dissolution, disruption, and removal of deposits, such as scale, from heat exchanger components. The method involves adding elemental metal locally to the surface of the deposit and applying anodic or cathodic current to destabilize the deposit. Mechanical stress is then applied to remove the weakened deposit from the heat exchanger component.
Another significant patent is the "Method and apparatus for manipulating equipment inside a steam generator." This invention describes a method and apparatus for manipulating a tool within the secondary side of a steam generator. It includes a robot that extends a probe with a tool across selected lanes between rows of heat exchange tubes. Additionally, it provides a method for cleaning sludge from the top of a tube sheet using a moveable suction apparatus.
Career Highlights
David W Selfridge, Jr. is currently employed at Westinghouse Electric Company LLC, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the efficiency and effectiveness of heat exchangers in various applications.
Collaborations
Throughout his career, David has collaborated with several talented individuals, including Phillip J Hawkins and Eric R Haberman. These collaborations have contributed to the successful development of his patented technologies.
Conclusion
David W Selfridge, Jr. is a distinguished inventor whose work in heat exchanger technology has led to multiple patents and significant advancements in the field. His innovative approaches continue to shape the industry and improve engineering practices.