Company Filing History:
10 out of 25,901 
4 out of 6,151 
Years Active: 2002-2005
Title: The Innovations of Stephen John Kotre
Introduction
Stephen John Kotre is a notable inventor based in Ann Arbor, MI (US). He holds a total of 14 patents, showcasing his significant contributions to the field of hybrid electric vehicle technology. His work focuses on improving vehicle efficiency and reducing emissions, which is crucial in today's environmentally conscious world.
Latest Patents
Among his latest patents, Kotre has developed a method and system for controlled engine shutdown in hybrid electric vehicles (HEVs). This innovation aims to reduce tailpipe emissions during engine shutdowns and restarts throughout the HEV drive cycle. Additionally, it minimizes evaporative emissions during inactive periods. The engine shutdown routine includes various controls such as ramping off fuel injectors, managing engine torque, and flushing the intake manifold of residual fuel.
Another significant patent involves a hybrid electric vehicle and a method for its operation. This invention ensures that combustion occurs only after the crankshaft has been rotated to a specific speed by an electric motor. This process not only reduces emissions but also enhances torque transfer to the wheels, resulting in smoother vehicle operation. The control of fuel injectors, throttle plates, and spark plugs further aids in emission reduction during engine activation.
Career Highlights
Kotre has worked with prominent companies such as Ford Global Technologies, LLC and Ford Motor Company Limited. His experience in these organizations has allowed him to contribute to groundbreaking advancements in automotive technology.
Collaborations
Throughout his career, Kotre has collaborated with notable individuals, including David Lee Boggs and Mark W. Peters. These partnerships have likely enriched his work and led to innovative solutions in the automotive sector.
Conclusion
Stephen John Kotre's contributions to hybrid electric vehicle technology are significant and impactful. His patents reflect a commitment to reducing emissions and enhancing vehicle efficiency. His work continues to influence the automotive industry and pave the way for future innovations.
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.