John P McDonnel

Title: Innovations by John P. McDonnel

Introduction

John P. McDonnel is an accomplished inventor based in Dewitt, Iowa. He holds a patent for a unique pumping mechanism that showcases his innovative approach to engineering. His work contributes significantly to the field of mechanical design and functionality.

Latest Patents

McDonnel's notable patent is titled "Pump with wear-resistant barrel and plunger having coating support." This invention features a pumping mechanism that includes a barrel formed of a barrel substrate, which has a first end surface, a second end surface opposite the first, and a bore connecting the two. Each of these surfaces and the bore is coated with a metal plating, enhancing durability. Additionally, the mechanism includes a plunger made of a plunger substrate, designed to be slidably disposed within the barrel's bore, featuring a tribological coating that improves its performance.

Career Highlights

John P. McDonnel is currently employed at Caterpillar Inc., a leading company in the manufacturing of construction and mining equipment. His role at Caterpillar allows him to apply his inventive skills in a practical setting, contributing to the development of advanced machinery.

Collaborations

Some of McDonnel's coworkers include Alan Ray Stockner and Aaron Michael Brown. Their collaboration fosters a creative environment that encourages innovation and the development of new technologies.

Conclusion

John P. McDonnel's contributions to the field of engineering through his patent and work at Caterpillar Inc. highlight his role as a significant inventor. His innovative designs continue to impact the industry positively.