David Francis

Title: David Francis - Innovator in Spark Plug Technology

Introduction

David Francis is an accomplished inventor based in Old Hickory, TN (US). He has made significant contributions to the field of spark plug technology, holding a total of 3 patents. His innovative designs focus on improving the performance and reliability of spark plugs.

Latest Patents

One of his latest patents is for a spark plug electrode and method of manufacturing the same. This spark plug electrode features a thermally conductive core portion and a weldable core portion that are aligned in series within a multi-piece core assembly. This design enhances the heat management and attachment characteristics of the electrode. The thermally conductive core portion, which can be made from a copper-based material, is positioned towards the firing end of the ground electrode. Conversely, the weldable core portion, made from a nickel-based material, is located towards the welding end of the ground electrode. The patent also describes a method for extruding and forming the spark plug electrode with the multi-piece core assembly, ensuring that the core interface does not contain internal voids and that the welding surface has a nickel-to-nickel interface without substantial copper presence.

Career Highlights

David works at Federal-Mogul Ignition GmbH, where he continues to innovate in spark plug technology. His work has been instrumental in advancing the performance of ignition systems.

Collaborations

He collaborates with talented coworkers, including Scott J. Myers and Joshua S. Farley, who contribute to the innovative environment at Federal-Mogul Ignition GmbH.

Conclusion

David Francis is a notable inventor whose work in spark plug technology has led to significant advancements in the field. His patents reflect a commitment to improving ignition systems, showcasing his expertise and innovative spirit.