Location History:
- West Columbia, SC (US) (1981)
- Lexington, SC (US) (1981 - 1992)
Company Filing History:
7 out of 1,005 
1 out of 832,718 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.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.