Location History:
- Pinckney, MI (US) (2007 - 2011)
- Plymouth, MI (US) (2011 - 2013)
- Clarkston, MI (US) (2011 - 2021)
Company Filing History:
32 out of 30,943 
2 out of 2,614 
2 out of 1,024 Years Active: 2007-2025
Title: **Patrick S Portell: Innovator in Electric Drive Technologies**
Introduction
Patrick S Portell, based in Clarkston, MI, is a prominent inventor known for his significant contributions to electric drive technologies, holding a remarkable 31 patents. His inventions focus on improving the efficiency and functionality of drive units in the automotive industry.
Latest Patents
Among Portell's latest innovations is the **Park System for Dual Motor Drive Unit**. This invention features a drive unit with two electric machines interlinked by a differential that includes a park gear. The design incorporates a single park system to engage this gear, ensuring the simultaneous stopping of both machines. The system utilizes a single pawl that can switch between engaged and disengaged positions, allowing for efficient operation while preventing unwanted motion.
Another notable patent is for **Electric Drive Units with Integrated Power Electronics for Vehicle Powertrains**. This invention presents electric drive unit assemblies equipped with integrated power electronics that enhance the functionality of motor vehicles. The EDU assembly, mounted on the vehicle body, features internal motor and transmission chambers, with a traction motor driving the wheels and a gear train facilitating smooth operation. An integrated power electronics unit controls the traction motor, ensuring streamlined vehicle performance.
Career Highlights
Portell's extensive career includes pivotal roles at well-known automotive companies, such as GM Global Technology Operations LLC and Daimler Chrysler AG. His work has been instrumental in advancing electric drive technology and enhancing vehicle performance.
Collaborations
Throughout his career, Portell has collaborated with notable professionals, including Tejinder Singh and John A Diemer. These partnerships have fostered innovation and propelled the development of advanced automotive technologies.
Conclusion
Patrick S Portell stands out as a leading innovator in the field of electric drive technology. His 31 patents reflect his commitment to enhancing vehicle efficiency through innovative designs, marking him as a significant figure in the automotive industry. As electric drive technology continues to evolve, Portell's contributions will undoubtedly play a crucial role in shaping the future of transportation.
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.