Company Filing History:
2 out of 115 
2 out of 453 
Years Active: 2010-2012
Title: The Innovations of Richard E. Callahan
Introduction
Richard E. Callahan is a notable inventor based in Maumee, Ohio, recognized for his contributions to spark plug technology. With a total of four patents to his name, Callahan has made significant advancements in the design and functionality of spark plugs, which are essential components in internal combustion engines.
Latest Patents
Among his latest innovations is the extension-type spark plug. This design features an upper terminal stud and a lower terminal stud that are axially spaced yet electrically connected. The upper tubular insulator surrounds part of the upper terminal stud, while a separate lower insulator encases the lower terminal stud. A spring member positioned between the two terminal studs allows for axial movement under external force, ensuring continuous electrical communication.
Another significant patent is the 14 mm extension spark plug, designed for engine applications where access to the combustion chamber is challenging. This assembly includes a traditional spark plug component connected to an elongated tubular conduit. The conduit houses a ceramic insulator and an outer elastomeric insulator, which securely holds the components in place. An inner elastomeric insulator further supports and electrically isolates the center electrode extension, facilitating efficient ignition.
Career Highlights
Throughout his career, Richard E. Callahan has worked with prominent companies in the automotive industry, including Federal-Mogul Ignition Company and Federal-Mogul World Wide, Inc. His experience in these organizations has contributed to his expertise in spark plug technology and innovation.
Collaborations
Callahan has collaborated with notable individuals in his field, including Robert D. Freeman and Michael S. Joseph. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Richard E. Callahan's contributions to spark plug technology demonstrate his commitment to innovation and engineering excellence. His patents reflect a deep understanding of the complexities involved in engine performance and accessibility. Through his work, Callahan has made a lasting impact on the automotive industry.
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.