Location History:
- Sierra Vista, AZ (US) (1987)
- Norton, MA (US) (1978 - 1993)
Company Filing History:
3 out of 1,238 
1 out of 286 
1 out of 832,812 Years Active: 1978-1993
Title: The Innovative Contributions of Donald C. Simpson
Introduction
Donald C. Simpson is a notable inventor based in Norton, MA (US). He has made significant contributions to the field of technology, holding a total of 7 patents. His work primarily focuses on electropneumatic systems, showcasing his expertise and innovative spirit.
Latest Patents
One of his latest inventions is the Electropneumatic Positioner. This transducer features an explosion-proof housing with a divider that forms two compartments. The divider contains a well where a magnet and flapper arm arrangement is suspended. A coil winding is fixed in the other compartment around the well, allowing a magnetic field generated to influence the pivotal position of the magnet. Additionally, set screws adjustable in the bottom of the well are effective in presetting a rest position for the magnet.
Career Highlights
Throughout his career, Donald has worked with various companies, including Dresser Industries, Inc. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his skills in creating innovative solutions.
Collaborations
Donald has collaborated with notable individuals in his field, including Robert Claude Prescott and Philip H. Sanford. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Donald C. Simpson's contributions to technology through his patents and collaborations highlight his role as an influential inventor. His innovative spirit continues to inspire advancements in electropneumatic systems.