Location History:
- Rochert, MN (US) (2000)
- Valley City, ND (US) (2000)
Company Filing History:
Years Active: 2000
Title: Innovator Donald D. Carr: Pioneering Hydraulic Control Systems
Introduction
Donald D. Carr, an inventor based in Valley City, ND, is known for his innovative contributions in agricultural vehicle technology. With three patents to his name, Carr has made significant advancements, particularly in the control systems of off-highway vehicles used in agriculture.
Latest Patents
Carr's latest patents demonstrate his expertise and dedication to improving vehicle control systems. One of his notable inventions is the "Transition from position to draft mode controlled by hitch position." This hitch assembly control system allows for operation in both position and draft control modes for agricultural tractors. It can seamlessly transition between these modes under specific conditions, enhancing operational efficiency.
Another significant invention by Carr is the "Threshold current control system for hydraulic valves." This method controls the position of an implement attached to a work vehicle, leveraging a hydraulic positioning assembly that includes an actuator and a valve assembly. The system ensures precise control over the fluid flow, allowing for accurate adjustments to the implement's movement, thereby preventing undesirable movements and enhancing reliability.
Career Highlights
Carr has spent a considerable part of his career working at Case Corporation, a renowned company in the agricultural machinery sector. His role has allowed him to focus on the development of innovative hydraulic systems that are fundamental to modern agricultural vehicles.
Collaborations
Throughout his career, Carr has collaborated with notable coworkers, including William L. Schubert and Abraham Orbach. Together, they have contributed to advancements in hydraulic control technologies that improve the functionality and performance of agricultural equipment.
Conclusion
Donald D. Carr's contributions to the field of agricultural machinery through his patents showcase his dedication to innovation and efficiency. His work in developing advanced hydraulic control systems has not only benefited the industry but also paved the way for future advancements in vehicle technology. As an inventor, Carr continues to inspire those in the engineering and agricultural sectors with his innovative spirit and commitment to excellence.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.