Location History:
- Anoka, MN (US) (1984 - 1991)
- Thief River Falls, MN (US) (1998)
Company Filing History:
12 out of 4,248 
1 out of 1,061 
4 out of 832,966 Years Active: 1984-1998
Title: The Innovative Journey of James E. Grinde
Introduction
James E. Grinde, an accomplished inventor based in Anoka, Minnesota, has made significant contributions to the field of engineering with a total of 19 patents to his name. His work primarily focuses on the development of innovative vehicles and marine technologies that enhance performance and usability.
Latest Patents
Among Grinde's latest patents is the "All Terrain Vehicle with Semi-Independent Rear Suspension." This inventive design features a chassis configuration that allows the rear axle to rotate about both the longitudinal and transverse axes of the vehicle. This mechanism ensures that the vehicle's rear tires maintain contact with the ground for longer durations, thereby preventing the transition from understeer to oversteer when navigating uneven terrain.
Another noteworthy patent is the "Surface Drive Outboard with Improved Transmission." This outboard motor, designed for marine crafts, incorporates surface drive technology previously reserved for inboard motors. It utilizes a specially designed constant velocity universal joint to link the propeller shaft to the lower unit, enabling direct transmission of thrust forces. Additionally, Grinde's design cleverly routes engine cooling water and exhaust through the prop shaft extension housing, which helps reduce engine noise.
Career Highlights
James E. Grinde's career has been distinguished by his innovative mindset and technical expertise. He has worked for various companies, including Yamaha Hatsudoki Kabushiki Kaisha, where he contributed to the development of cutting-edge transportation technologies. His focus on improving vehicle dynamics and performance has set him apart in the realm of invention.
Collaborations
Throughout his career, Grinde has collaborated with fellow innovators such as Douglas C. Foote and Troy L. Leiphart. These partnerships have fostered a creative environment where ideas are exchanged and refined, leading to the successful realization of several groundbreaking patents.
Conclusion
James E. Grinde exemplifies the spirit of innovation in engineering, with his contributions significantly advancing the functionality of both all-terrain vehicles and marine crafts. His ongoing commitment to creating efficient and effective transportation solutions makes him a notable figure in the field of invention.