This inventor holds 3 USPTO granted patents. Top assignee: Yetter Manufacturing Company. Active years: 1990-1993.
Location History:
- Macomb, IL (US) (1990 - 1991)
- McComb, IL (US) (1993)
Company Filing History:
Years Active: 1990-1993
Title: The Innovative Contributions of Mark Johnston
Introduction
Mark Johnston is a notable inventor based in Macomb, Illinois. He has made significant contributions to agricultural technology, particularly through his innovative designs that enhance the functionality of farming equipment. With a total of three patents to his name, Johnston's work reflects a commitment to improving agricultural practices.
Latest Patents
One of Johnston's latest patents is the Rotary Hoe Extension. This invention is designed to extend the effective length of one set of arms of a rotary hoe. It increases the separation of the axes of rotation of adjacent rows of hoe wheels to a distance greater than the diameter of the hoe wheel while maintaining lateral wheel spacing. The extension includes a body member with a U-shaped alignment member that surrounds the existing rotary hoe arm on three sides, providing a rigid unit. The lower end of the arm and the extension are aligned, allowing for the maintenance of lateral wheel spacing. Additionally, Johnston has developed a Depth Gauge Wheel, which is removably secureable to a coulter disc. This wheel controls the cutting depth of the disc and is made from high-density plastic, ensuring that soil and debris do not adhere to it.
Career Highlights
Mark Johnston is currently employed at Yetter Manufacturing Company, where he continues to innovate and develop new agricultural solutions. His work at Yetter has allowed him to apply his inventive skills in a practical setting, contributing to the advancement of farming technology.
Collaborations
Johnston collaborates with his coworker, Patrick T. Whalen, to further enhance the development of agricultural equipment. Their teamwork exemplifies the importance of collaboration in the innovation process.
Conclusion
Mark Johnston's contributions to agricultural technology through his patents demonstrate his dedication to improving farming practices. His innovative designs, such as the Rotary Hoe Extension and Depth Gauge Wheel, reflect a deep understanding of the needs within the agricultural sector. Johnston's work continues to impact the industry positively, showcasing the importance of innovation in enhancing productivity and efficiency.