Company Filing History:
Years Active: 1980-1981
Title: Innovations by David K Johnston
Introduction
David K Johnston is an accomplished inventor based in Blue Springs, MO (US). He has made significant contributions to the field of agricultural machinery, particularly through his innovative designs that enhance the efficiency of harvesting equipment. With a total of 2 patents, Johnston's work reflects a commitment to improving agricultural practices.
Latest Patents
One of Johnston's latest patents is for an air baffle for harvester accelerator rolls. This invention utilizes a baffle that spaces the horizontal cleaning air discharge a substantial distance below the accelerator rolls. This design effectively reduces the passage of cleaning air to the threshing area, thereby minimizing the amount of dirty air discharged from the forward end of the combine in the operator's cab area. Another notable patent is for threshing cage fingers designed to retard the flow of material through an axial flow harvester. This removable flow retarding finger attachment is mounted on the outside of the perforated cylinder cage, with fingers extending through the openings to slow the axial flow of crop material. Two embodiments of this invention are illustrated, one featuring a releasable fastening means for secure attachment, and the other incorporating power means for selective adjustment of the fingers.
Career Highlights
David K Johnston is associated with Allis-Chalmers Corporation, where he has applied his inventive skills to develop solutions that address challenges in the agricultural sector. His work has contributed to advancements in harvesting technology, making processes more efficient and effective.
Collaborations
Throughout his career, Johnston has collaborated with notable colleagues, including Michael R Stuber and Donald A Suderman. These partnerships have fostered a creative environment that encourages innovation and the development of new ideas.
Conclusion
David K Johnston's contributions to agricultural machinery through his patents demonstrate his dedication to innovation in the field. His inventions not only enhance the efficiency of harvesting equipment but also reflect a broader commitment to improving agricultural practices.