This inventor holds 1 USPTO granted patent. Top assignee: Murray Equipment, Inc.. Active years: 1993.
Company Filing History:
Years Active: 1993
Title: David D. Callahan: Innovator in Agricultural Chemical Handling
Introduction
David D. Callahan is an accomplished inventor based in Rochester, Indiana. He has made significant contributions to the field of agricultural technology, particularly in the handling of chemicals used in farming. His innovative approach has led to the development of a unique system that enhances the efficiency and safety of agricultural chemical application.
Latest Patents
David D. Callahan holds a patent for a "Chemical Handling System." This system is designed for managing agricultural chemicals, such as herbicides and pesticides, supplied in dry form. The invention features a refillable tank equipped with an integral, internal auger that extends horizontally through the bottom portion of the tank. This auger is adapted to feed dry chemicals from an outlet on one side, along with an internal flow regulating system that apportions the chemical into the auger. The internal tank auger is driven by a detachable drive motor, which connects to the drive end of the auger. Additionally, a feeder hose with a flexible internal auger connects to the outlet end of the internal tank auger via a cam lock coupling. This innovative design ensures efficient and safe handling of agricultural chemicals.
Career Highlights
David D. Callahan is currently employed at Murray Equipment, Inc., where he continues to develop and refine agricultural technologies. His work has been instrumental in advancing the methods used for chemical application in farming, contributing to more sustainable agricultural practices.
Collaborations
Throughout his career, David has collaborated with notable colleagues, including Stephen M. Murray and Craig Reese. These partnerships have fostered innovation and have led to the successful implementation of new technologies in the agricultural sector.
Conclusion
David D. Callahan's contributions to agricultural technology through his innovative chemical handling system exemplify the importance of invention in enhancing farming practices. His work not only improves efficiency but also promotes safety in the application of agricultural chemicals.