Location History:
- Bettendorf, IA (US) (1985 - 2022)
- Moline, IL (US) (2017 - 2023)
Company Filing History:
38 out of 8,504 
3 out of 33 
1 out of 832,912 Years Active: 1985-2024
Title: **Donald Keith Landphair: Innovator and Inventor in Agricultural Technology**
Introduction
Donald Keith Landphair is an accomplished inventor based in Bettendorf, Iowa, known for his extensive contributions to agricultural machinery and technology. With a remarkable total of 39 patents to his name, he has significantly advanced the efficiency and effectiveness of seeding and work vehicles.
Latest Patents
Among his latest innovations, Landphair holds the patent for a "Planter row unit downforce control with ground view sensor." This invention features a row unit for seeding machines equipped with a ground view sensor that accurately senses the furrow and generates depth signals reflecting the actual depth of the furrow. The row unit includes a controller that adjusts the downforce on the frame based on these signals, ensuring optimal planting conditions.
Another notable patent is for a "Work vehicle with ground support unit having non-treaded area aligned with row unit component." This invention incorporates a gauge wheel that maintains the ground engaging implement at a precise vertical position. The work vehicle features a ground support unit designed to facilitate movement across the ground surface, including a non-treaded side area aligned with the gauge wheel to enhance functionality during operation.
Career Highlights
Landphair's career has seen him contribute to reputable companies such as Deere & Company and American Cyanamid, where he developed and refined agricultural technologies. His work has played a pivotal role in improving performance and reliability in farming operations.
Collaborations
Throughout his career, Landphair has collaborated with esteemed colleagues like James Z Liu and Lawrence D Green. These collaborations have fostered innovation and allowed for the cross-pollination of ideas, leading to significant advancements in agricultural machinery.
Conclusion
Donald Keith Landphair's contributions to agricultural technology through his inventions have marked him as a prominent figure in the industry. His dedication to enhancing seeding and ground support systems continues to benefit farmers and the agricultural community as a whole. With each patent, Landphair solidifies his legacy as an innovative force in agricultural advancements.