This inventor holds 17 USPTO granted patents and 3 EPO patents, primarily in Transmission Engineering. Top assignees: Deere & Company, Deer & Company, Iowa State University Research Foundation Inc.. Active years: 1979-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Waterloo, IA (US) (1979 - 2019)
- Underwood, MN (US) (2018 - 2020)
Company Filing History:
15 out of 8,957 
1 out of 14 
1 out of 1,427 Years Active: 1979-2020
Areas of Expertise:
Title: The Innovations of Dennis Lee Jeffries
Introduction
Dennis Lee Jeffries is a notable inventor based in Waterloo, IA, with a remarkable portfolio of 17 patents to his name. His contributions to the field of engineering, especially in the realm of transmissions, have significantly advanced his industry.
Latest Patents
Among his latest innovations, Jeffries developed a Multi-mode Infinitely Variable Transmission (IVT). This sophisticated system offers various transmission modes, including a serial mode for powered zero and creeper ground speeds, and split-path modes for higher field speeds. Additionally, he designed a Multi-mode Infinitely Variable Transmission that provides seamless shifting, ensuring smooth transitions between the range of available transmission modes.
Career Highlights
Jeffries has had a significant impact in his career, contributing his expertise to prestigious organizations such as Deere & Company and the Iowa State University Research Foundation, Inc. His work in these institutions demonstrates his commitment to innovation and excellence in engineering.
Collaborations
Throughout his career, Jeffries has worked alongside talented professionals such as Andrew K Rekow and David Mueller. These collaborations reflect a shared vision of pushing the boundaries of transmission technology and developing groundbreaking solutions.
Conclusion
Dennis Lee Jeffries stands out as a prolific inventor whose contributions have played a critical role in evolving transmission systems. With 17 patents to his name and a solid foundation built through collaboration and professional experience, he continues to influence the engineering landscape significantly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile