Company Filing History:
10 out of 1,372 
2 out of 832,966 Years Active: 1989-1993
Title: The Innovations of Derrick I Roe: A Spotlight on His Contributions to Inverter Technology
Introduction
Derrick I Roe, based in Rockford, IL, is a prominent inventor with a notable collection of 12 patents to his name. His work primarily revolves around advancements in inverter technology, addressing critical challenges in power distribution and efficiency. With a keen focus on minimizing DC content in dual converter systems, Derrick has significantly contributed to the field of electrical engineering.
Latest Patents
Among Derrick I Roe's latest innovations are two pivotal patents that tackle essential problems within inverter systems. The first, titled "DC current control through an interphase transformer using differential," addresses the challenge of minimizing DC content in a dual converter system. This invention integrates dual inverters with outputs connected in parallel through an interphase transformer. Utilizing a current transducer, Derrick's approach effectively senses primary current from each inverter, filtering out load current to provide a DC signal indicative of the current through the transformer. This innovation enhances control over PWM patterns sent to the inverters, ultimately reducing undesirable DC current.
The second patent, "Separation control for multiphase plural inverter system," describes a system designed to receive DC input and deliver AC output via first and second inverters. Derrick's inverter controller ensures that the outputs of the two inverters are separated in phase by a predetermined degree, effectively suppressing harmonics in the AC output. This combination of innovative technologies contributes to improved performance and efficiency in power systems.
Career Highlights
Derrick's professional journey includes significant roles in companies known for their technological advancements. Notably, he has worked with Sundstrand Corporation, where he contributed his expertise in electrical systems and inverter technologies. His contributions have played a role in the further development of systems that enhance energy efficiency and reliability.
Collaborations
Throughout his career, Derrick I Roe has collaborated with notable professionals in the field, such as Bradley J Recker and Christopher J Rozman. These collaborations have allowed him to exchange ideas and innovate solutions that address complex engineering challenges, furthering advancements in inverter technology.
Conclusion
Derrick I Roe's innovative spirit and dedication to improving inverter systems underscore his importance in the field of electrical engineering. With a focus on minimizing inefficiencies and enhancing control in power systems, his contributions are invaluable. His impressive portfolio of patents not only reflects his inventive prowess but also serves as a foundation for future advancements in the industry.