Company Filing History:
1 out of 13 
1 out of 832,891 Years Active: 1987-1999
Title: **James Michael McDonald: Innovator of Agricultural and Thermal Technologies**
Introduction
James Michael McDonald, an inventive mind hailing from Minot, North Dakota, has made significant contributions to the fields of agriculture and thermal engineering. With two patented inventions, McDonald showcases his ability to blend practicality with advanced technology, impacting both harvesting techniques and heat exchange systems.
Latest Patents
McDonald's notable inventions include the **Pea Harvester** and the **Total Counterflow Heat Exchanger**. The Pea Harvester revolutionizes the harvesting process for peas and similar crops. Unlike traditional methods that pull plants away from the ground, this innovative design draws the plants upward before cutting them with a cutting bar. This method enhances efficiency and reduces crop damage, offering an improved solution for farmers.
His second patent, the Total Counterflow Heat Exchanger, features a unique interior chamber divided by partitions that create a series of channels. This design allows substances at different temperatures to flow through and exchange thermal energy more efficiently. By increasing the heat exchange gradient while maintaining the same flow rate, this invention aids in optimizing various applications, thus enhancing energy efficiency.
Career Highlights
Throughout his career, McDonald has worked with various companies, including Mac LLC. His inventive spirit and engineering prowess have led to the successful development of technologies that serve diverse industries, showcasing his versatility and dedication to innovation.
Collaborations
Collaboration has been a key aspect of McDonald's journey as an inventor. He has worked alongside notable individuals such as Allister T. Duncan and Paul O. Christianson, contributing to a network of innovation that has propelled his ideas into tangible inventions.
Conclusion
James Michael McDonald exemplifies the spirit of innovation through his unique inventions that cater to agricultural and thermal engineering needs. His contributions not only enhance efficiency in their respective fields but also reflect the pioneering nature of modern invention, marking him as a notable figure in the realm of innovation.