Location History:
- East Islip, NY (US) (1981)
- Dix Hills, NY (US) (1984)
- Maryville, IL (US) (1998 - 2004)
- Lubbock, TX (US) (2021)
Company Filing History:
6 out of 317 
1 out of 2 
4 out of 832,761 Years Active: 1981-2021
Title: Innovations and Contributions of Thomas R Callahan
Introduction
Thomas R Callahan is a notable inventor based in Maryville, Illinois, with a remarkable portfolio of 11 patents. His work spans various fields, showcasing his innovative spirit and dedication to improving existing systems and technologies.
Latest Patents
One of his latest patents is a "System and method for reserving and renting seating." This invention introduces a method and system for reserving seating at venues using a band system associated with rentable seating. The system includes a retractable band, controller, user interface, and sensors to detect band position or tampering. The closed position indicates that seating may be available for rental, while an open position signifies that it is not available. The system compares requested reservations to prior ones to determine availability and initiates alerts if tampering is detected. Additionally, users can order goods or services while renting seating, with their rental activity tracked for rewards or limitations.
Another significant patent is the "Spring seat for a railway truck sideframe and method of making the same." This invention involves a cast metal sideframe for railway car trucks, featuring a spring seat that supports the springs of a spring set. The sideframe is molded using a core that defines the exterior surface of the spring seat. The design includes aerodynamically-shaped spring retainers that reduce the tendency for sand to swirl during the molding process. This innovation minimizes material volume, which is beneficial for reducing shrinkage during cooling and preventing defects in the final product.
Career Highlights
Throughout his career, Thomas R Callahan has worked with various companies, including Amsted Industries Inc. His contributions to the field of engineering and invention have made a significant impact on the industries he has been involved with.
Collaborations
Some of his notable coworkers include Anthony J Bauer and Charles Moehling, who have collaborated with him on various projects, contributing to the success of his inventions.
Conclusion
Thomas R Callahan's innovative contributions and patents reflect his commitment to advancing technology and improving systems in various fields. His work continues to inspire future inventors and engineers.