This inventor holds 65 USPTO granted patents and 4 published patent applications and 31 EPO patents, primarily in Electromechanical Actuators (CPC class F16D). Top assignees: Goodrich Corporation, Delphi Technologies, Inc., Gm Global Technolgoy Operations, Inc.. Active years: 1992-2021.
Inventors with similar research interests:
Location History:
- Bellbrpook, OH (US) (2015)
- Bellbrook, OH (US) (1992 - 2021)
Company Filing History:
36 out of 1,949Â 
17 out of 5,161Â 
8 out of 31,869Â 
Years Active: 1992-2021
Areas of Expertise:
Title: David Bernard Drennen: Innovator in Brake Systems Technology
Introduction
David Bernard Drennen is a prolific inventor based in Bellbrook, Ohio, known for his significant contributions to the field of brake systems technology. With an impressive total of 65 patents to his name, Drennen has developed innovative solutions that enhance vehicle safety and performance.
Latest Patents
Among his latest inventions are several noteworthy patents. One of them is the "Brake Position and Wear Detection Systems and Methods," which introduces an electromechanical brake actuator system. This system features a derived position sensor that comprises a controller, a rotation sensor, and an output drive circuit. This technology allows for real-time monitoring of the brake's position and wear by calculating the actual ram position based on motor shaft angular velocities.
Another significant patent Drennen holds is for the "Actuator Ball Screw for Improved Load Sharing." This actuator assembly includes a ball nut with a helical track and a ball screw that has multiple translation bearing tracks with varying diameters. This innovation improves load sharing and increases the efficiency of the actuator assembly.
Career Highlights
David Drennen has had an esteemed career, working with leading organizations like Goodrich Corporation and Delphi Technologies, Inc. His experiences in these companies have greatly contributed to his expertise in developing advanced braking systems.
Collaborations
Throughout his career, Drennen has collaborated with other talented professionals, including Kevin Rehfus and Harald Klode. These partnerships have facilitated innovation and provided a platform for addressing complex technical challenges in the automotive industry.
Conclusion
David Bernard Drennen represents a beacon of creativity in the automotive field, with his extensive patent portfolio showcasing his innovative spirit. His latest contributions to brake systems are poised to enhance both safety and functionality in vehicles, underlining his importance as an inventor in the industry.