This inventor holds 2 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2009
Title: Mary A. Jeffers: Innovator in Electrical Engineering
Introduction
Mary A. Jeffers is a notable inventor based in Clarkston, MI (US). She has made significant contributions to the field of electrical engineering, particularly in the development of innovative systems for energy storage and hybrid electric vehicles. With a total of 2 patents, her work reflects a commitment to advancing technology in practical and impactful ways.
Latest Patents
One of her latest patents is titled "Variable Battery Refresh Charging Cycles." This invention features a refresh control system that selectively initiates a refresh charge cycle. It includes an energy storage device and an electric machine that charges the energy storage device. A control module monitors the usage period of the energy storage device and determines a bias factor. The control module then regulates the electric machine to initiate a refresh charge cycle when the usage period exceeds a modified usage period threshold.
Another significant patent is the "System and Method for Monitoring an Electrical Power Relay in a Hybrid Electric Vehicle." This invention provides a method and system to monitor a high voltage power relay that conducts electrical power from a source to a load during vehicle shutdown events. The system includes an electrical relay with a resistive device and a controllable electrical load device. A controller is connected to the electrical relay and sensing devices, enabling it to identify low electrical load conditions and monitor the relay's functionality.
Career Highlights
Mary A. Jeffers is currently employed at GM Global Technology Operations, Inc., where she continues to innovate and contribute to the field. Her work has been instrumental in enhancing the efficiency and reliability of electrical systems in vehicles.
Collaborations
Throughout her career, Mary has collaborated with talented individuals such as Andrew M. Zettel and Goro Tamai. These collaborations have fostered a creative environment that encourages the exchange of ideas and technological advancements.
Conclusion
Mary A. Jeffers stands out as a pioneering inventor in electrical engineering, with her patents showcasing her innovative spirit and technical expertise. Her contributions to energy storage and hybrid vehicle technology are paving the way for future advancements in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile