Location History:
- Elwood, IL (US) (1978 - 1999)
- Elmwood, IL (US) (1983 - 2001)
Company Filing History:
4 out of 1,981 
3 out of 9,457 
1 out of 17 
Years Active: 1978-2001
Title: Inventor Lowell R. Hall: Pioneering Innovations in Power Control Systems
Introduction
Lowell R. Hall is an accomplished inventor based in Elwood, Illinois, with a remarkable portfolio of eight patents. His innovative work primarily focuses on power control systems and hydraulic mechanisms, contributing significantly to advancements in machinery efficiency and functionality.
Latest Patents
Among his latest contributions to the field are two notable patents. The first is a **Power Control System for a Machine**. This invention integrates various sensors and cooling systems to ensure optimal operating temperatures for both the engine and hydraulic system of a machine. The controller plays a vital role, continuously monitoring temperature data and ensuring that operations such as the boom and swing functions are performed smoothly.
The second notable invention is the **Hydraulic Track Tensioning Circuit**. This innovation is designed to maintain appropriate track tension in a track drive mechanism. Utilizing a variable pressure relief valve and a hydraulic tensioning cylinder, this system adjusts tension based on the drawbar pull, demonstrating excellent responsiveness to hydraulic motor pressures.
Career Highlights
Throughout his career, Lowell R. Hall has been associated with prestigious companies such as Caterpillar Tractor Co. and Caterpillar Inc., where he honed his skills in mechanical engineering and innovation. His work has had a lasting impact on the machinery industry, particularly in enhancing the operational capabilities of construction and agricultural equipment.
Collaborations
In his professional journey, Hall has collaborated with notable colleagues including John R. Cryder and Mitchell J. McGowan. These partnerships have fostered a creative environment, driving innovation and the successful development of advanced engineering solutions.
Conclusion
Lowell R. Hall's contributions to the field of engineering through his patents exemplify a dedication to innovation. His work not only enhances the efficiency of machinery but also sets the stage for further advancements in technology, ensuring a promising future in the industry.