Location History:
- Strongstown, PA (US) (1987 - 1989)
- Ebensburg, PA (US) (1989 - 1994)
Company Filing History:
Years Active: 1987-1994
Title: The Innovative Contributions of David T Llewellyn
Introduction
David T Llewellyn is a notable inventor based in Ebensburg, PA (US). He has made significant contributions to the field of electrical engineering, particularly in the development of pressure-operated switch constructions. With a total of 8 patents to his name, Llewellyn's work has had a lasting impact on the industry.
Latest Patents
One of Llewellyn's latest patents is a pressure-operated switch construction and method of making the same. This invention features a housing that carries an electrical switch unit and a diaphragm assembly. The design includes an opening that aligns with the switch unit, allowing for effective operation. A compression spring unit is also integrated, which controls the operation of the switch in relation to the spring's compression setting. This innovative design allows for easy removal of the retainer from the switch unit, enhancing usability and functionality.
Career Highlights
Llewellyn has spent a significant portion of his career at Robertshaw Controls Company, where he has been able to apply his inventive skills. His work has not only contributed to the company's success but has also advanced the field of electrical switch technology. His patents reflect a deep understanding of mechanical and electrical systems, showcasing his expertise as an inventor.
Collaborations
Throughout his career, Llewellyn has collaborated with talented individuals such as Thomas M Buckshaw and William J Kaigler. These partnerships have fostered innovation and have led to the development of groundbreaking technologies in their field.
Conclusion
David T Llewellyn's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a significant inventor. His innovative designs continue to influence the industry and pave the way for future advancements.