This inventor holds 8 USPTO granted patents. Top assignees: Square D Company, Other. Active years: 1981-1992.
Location History:
- West Columbia, SC (US) (1981)
- Lexington, SC (US) (1981 - 1992)
Company Filing History:
7 out of 1,005 
1 out of 834,411 Years Active: 1981-1992
Title: The Innovative Contributions of Richard W Roof
Introduction
Richard W Roof is a notable inventor based in Lexington, SC (US). He has made significant contributions to the field of motor control and transient protection circuits, holding a total of 8 patents. His work reflects a deep understanding of electrical engineering and innovation.
Latest Patents
One of his latest patents is the "Motor controller with bi-modal turnoff circuits." This invention includes a power bus, an insulated gate bipolar power transistor, and a control circuit. The motor controller is designed to manage the flow of current to and from a motor effectively. The control circuit determines the timing of the power gate and how the transistor conducts current. It features a current bias circuit that selectively supplies turn-on and turn-off voltages, ensuring smooth operation of the motor.
Another significant patent is the "Transient ride-through AC inverter." This invention provides protection against voltage transients in AC power sources. It includes a rectifier that supplies direct current from an alternating current source, with a DC bus and a bus capacitor connected across it. The design incorporates solid-state switches that supply alternating current to a load, ensuring that the system can handle transient voltage spikes effectively.
Career Highlights
Throughout his career, Richard W Roof has worked with reputable companies, including Square D Company. His experience in these organizations has contributed to his expertise in developing innovative electrical solutions.
Collaborations
Richard has collaborated with notable individuals in the field, including Kenneth S Berton and G Marshall Horne. These partnerships have likely enhanced his work and led to further advancements in his inventions.
Conclusion
Richard W Roof's contributions to motor control and transient protection circuits demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving electrical systems and ensuring their reliability.