This inventor holds 32 USPTO granted patents and 2 published patent applications, plus 8 CIPO patents and 10 EPO patents, primarily in Tire Monitoring Technology. Top assignees: Bridgestone Firestone North American Tire, LLC, Firestone Industrial Products Company, LLC, Bridgestone/firestone, Inc.. Active years: 1990-2023.
Company Filing History:
10 out of 196 
7 out of 193 
6 out of 342 
Years Active: 1990-2023
Areas of Expertise:
Title: Innovations of John D Rensel: A Pioneer in Air Spring Technology
Introduction
John D Rensel, based in Tallmadge, OH, is a distinguished inventor with an impressive portfolio of 32 patents. His innovative spirit has led to remarkable advancements in air spring technology, significantly impacting various industries.
Latest Patents
Rensel's latest invention, the Air Spring Sleeve, showcases his expertise in materials engineering. This invention comprises an outer layer, at least one reinforcing layer, and an inner layer that form the sleeve. The outer layer and inner layer are crafted from an elastomeric composition, specifically excluding epichlorohydrin. Furthermore, the reinforcing layer consists of multiple reinforcing elements that are strategically placed within a layer of the elastomeric composition, ensuring consistency across all components. This innovative design enhances the durability and performance of air springs.
Career Highlights
Throughout his career, Rensel has made significant contributions while working at Bridgestone Firestone North American Tire, LLC and Firestone Industrial Products Company, LLC. His roles in these renowned companies have allowed him to further his research and development in tire and spring technologies, cementing his status as a notable inventor in this field.
Collaborations
Rensel has collaborated with talented individuals such as Paul B Wilson and Russell W Koch. These partnerships have fostered a creative environment that has enabled the development of cutting-edge inventions that advance manufacturing processes and product efficiency.
Conclusion
John D Rensel's contributions to the field of air spring technology through his patents highlight his innovative prowess. With a solid foundation in engineering and an impressive history of collaboration, Rensel continues to inspire future generations of inventors and innovators. His work not only enhances existing technologies but also paves the way for future advancements in various engineering disciplines.