Company Filing History:
8 out of 31,099 
1 out of 1 Years Active: 1976-1990
Title: Innovations by Inventor Donald L Cummins
Introduction
Donald L Cummins, an inventive mind located in Anderson, Indiana, has made significant contributions to the field of electronic starting motor control. With a total of 9 patents to his name, Cummins has demonstrated a remarkable ability to innovate and improve automotive technologies.
Latest Patents
Two of Cummins' latest patents focus on electronic starting motor control systems. The first patent describes an electric starting system designed to control an electric starter with a solenoid for shifting a pinion and closing solenoid contacts to energize a cranking motor. This system includes a unique configuration involving a single coil and a series of parallel-connected field effect transistors. This innovative design allows for efficiency by maintaining the engagement of the pinion with the ring gear of an engine while preventing overheating of the coil.
The second patent enhances the starting motor control by incorporating low voltage protection. This system activates the solenoid coil to close the contacts that energize the motor and guide the pinion into mesh with the engine's ring gear. Through the use of parallel-connected field effect transistors, the invention ensures that the motor will not inadvertently deactivate during short-term voltage drops, thus providing reliability during critical operations.
Career Highlights
Donald L Cummins has worked at reputable companies such as GM Global Technology Operations LLC and Kikusui Line Co., Ltd. His career reflects a dedication to advancing automotive technology, particularly in the realm of electronic controls and starting systems.
Collaborations
Throughout his professional journey, Cummins has collaborated with talented individuals, including Stephen P Santichen and Daniel W Stahura. These partnerships have contributed to his innovative projects, allowing for the exchange of ideas and expertise.
Conclusion
Donald L Cummins stands as a notable figure in the world of inventions, particularly regarding electronic motor control systems. His nine patents underscore his commitment to enhancing automotive technology and his ability to innovate within the field. As a prolific inventor, Cummins’ work continues to influence the industry, paving the way for future advancements.