Company Filing History:
6 out of 1,068 
5 out of 557 
1 out of 564 
Years Active: 1981-2006
Title: Innovations of Donald E Fulton
Introduction
Donald E Fulton is a notable inventor based in Stoneham, MA (US), recognized for his contributions to the field of motor control systems and permanent magnet motors. With a total of 13 patents to his name, he has made significant advancements in technology that enhance efficiency and performance in electrical systems.
Latest Patents
One of his latest patents is a "Current sensor for DC powered three phase motor control system." This innovative system is designed to sense motor current from a three-phase inverter. It utilizes a first resistor connected to a first transistor of the inverter and a second resistor connected to ground. The circuitry generates upper and lower currents based on the activity of the transistors, providing an output current proportional to the motor current. Another significant patent is for a "Low loss permanent magnet motor." This back EMF controlled, synchronous motor is capable of extremely high rotation speeds while maintaining high efficiency. It features a permanent magnet flux source and excitation coils that produce a rotating magnetic field, significantly reducing core loss and rotor drag.
Career Highlights
Throughout his career, Donald E Fulton has worked with esteemed organizations such as the Charles Stark Draper Laboratory, Inc. and Imec. His work has focused on developing advanced technologies that push the boundaries of motor efficiency and control.
Collaborations
Donald has collaborated with notable individuals in his field, including William P Curtiss and William T Fejes, Jr. These partnerships have contributed to the successful development of his innovative technologies.
Conclusion
Donald E Fulton is a distinguished inventor whose work in motor control systems and permanent magnet motors has significantly impacted the industry. His numerous patents reflect his commitment to innovation and efficiency in electrical engineering.