This inventor holds 2 USPTO granted patents and 8 published patent applications and 5 EPO patents. Top assignee: Compagnie Generale Des Etablissements Michelin. Active years: 2019-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2019-2020
Title: The Innovations of Raymond Stubblefield
Introduction
Raymond Stubblefield is a notable inventor based in Greenville, SC (US). He has made significant contributions to the field of rubber compositions, particularly in the development of tire tread materials. With a total of 2 patents, his work has had a considerable impact on the automotive industry.
Latest Patents
Stubblefield's latest patents include innovative advancements in rubber compositions. One of his patents focuses on a tire tread made from low Tg rubber. This composition includes at least 80 phr of a styrene-butadiene elastomer modified with a functional group that interacts with silica reinforcing filler. The glass transition temperature of this rubber composition ranges between -60°C and less than -40°C. Additionally, it incorporates a plasticizing system that enhances the rubber's performance characteristics.
Another significant patent involves functionalized polymer blends for improved wear. This invention describes a tire tread formed from a cross-linkable rubber composition. It includes a highly unsaturated elastomer that is middle chain functionalized with an aminoalkoxysilane group, along with another elastomer that is end-chain functionalized with a silanol group. The composition also features a silica filler and a plasticizing system, which together improve the durability and performance of the tire tread.
Career Highlights
Throughout his career, Stubblefield has worked with prominent companies in the rubber industry, including Michelin. His experience at such a reputable organization has allowed him to refine his expertise in rubber technology and innovation.
Collaborations
Stubblefield has collaborated with several professionals in his field, including Olivier Piffard and Anthony Derbin Cato. These collaborations have contributed to the development of his innovative patents and advancements in rubber compositions.
Conclusion
Raymond Stubblefield's contributions to the field of rubber compositions and tire technology are noteworthy. His innovative patents reflect his dedication to improving the performance and durability of tire materials. His work continues to influence the automotive industry and showcases the importance of innovation in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile