This inventor holds 12 USPTO granted patents. Top assignees: Ford Global Technolgoies, LLC, Other. Active years: 1997-2008.
Location History:
- Ann Arbor, MI (US) (1997)
- Eastpointe, MI (US) (1998 - 2008)
Company Filing History:

Years Active: 1997-2008
Title: John William Holmes: Innovator in Engine Technology
Introduction
John William Holmes is a notable inventor based in Eastpointe, MI (US). He has made significant contributions to engine technology, holding a total of 12 patents. His work focuses on improving vehicle performance and efficiency through innovative methods.
Latest Patents
One of his latest patents is a method to infer engine coolant temperature in cylinder head temperature sensor equipped vehicles. This invention provides a systematic approach to measure the cylinder head temperature and calculate the engine coolant temperature based on various vehicle operational states. The method generates a signal for the calculated engine coolant temperature, which is then sent to a display for monitoring. Another significant patent is a method for identifying an operating state of an engine soak timer. This method determines the existence of a "short time" type state within a vehicle control assembly by measuring the temperature of engine coolant at different times.
Career Highlights
Throughout his career, John has worked with prominent companies, including Ford Global Technologies, LLC. His experience in the automotive industry has allowed him to develop and refine his innovative ideas, contributing to advancements in engine technology.
Collaborations
John has collaborated with several professionals in his field, including Michael John Cullen and Mark Thomas Linenberg. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
John William Holmes is a distinguished inventor whose work in engine technology has made a lasting impact. His innovative patents and collaborations highlight his commitment to advancing automotive technology.