Company Filing History:
Years Active: 2003-2012
Title: Douglas John Callahan: Innovator from Rochester Hills, MI
Introduction
Douglas John Callahan is a distinguished inventor based in Rochester Hills, Michigan. With a total of 10 patents to his name, he has made significant contributions to the field of engineering and technology. His innovative designs are instrumental in improving functionality and efficiency in various applications.
Latest Patents
Among his latest patents, Callahan has developed a "Quick Connector Assembly," which features a unique insertion mechanism that ensures secure connections between components. The design includes a retaining member guided by positioning and biasing elements that allow ease of assembly while preventing unintended disconnection.
Additionally, he has patented an "Integrated Vapor Management and Rollover Valve for a Fuel Tank." This fuel system design ensures that a fuel tank operates efficiently by incorporating a hydrocarbon collection chamber and a valve that manages fluid communication based on specific angles, improving safety and performance in fuel management.
Career Highlights
Throughout his career, Douglas has collaborated with notable companies, including Miniature Precision Components, Inc., where he contributed his expertise to the development of inventive solutions in precision engineering. His work showcases his commitment to enhancing product designs and functionality in various engineering disciplines.
Collaborations
Callahan has worked alongside talented individuals, such as Brent J. Ertl and Juris Julijs Pruzinskis. Their collaborations have fostered innovative ideas and productive results, highlighting the importance of teamwork in the invention process.
Conclusion
Douglas John Callahan's inventive spirit and dedication to improving engineering solutions have earned him significant recognition in his field. With a range of patents that illustrate his innovative capabilities, he continues to inspire future inventors in the pursuit of technological advancements.