Location History:
- Louisville, KY (US) (2004)
- Irwin, PA (US) (1991 - 2011)
Company Filing History:
12 out of 582 
5 out of 338 
2 out of 192 
Years Active: 1991-2011
Title: Innovations of John B Carroll in Railway Brake Systems
Introduction
John B Carroll, a prolific inventor based in Irwin, PA, has made significant contributions to the railway industry through his numerous innovations. With a total of 20 patents to his name, Carroll's work primarily focuses on enhancing the safety and efficiency of railway brake systems.
Latest Patents
Among his latest innovations is the "Empty/Load Brake Control Device with Multi-Stage Sensing." This device is designed for railway vehicles and includes a body with a valve member that allows for different operational positions—empty, load, and partial load. The design ensures that the brake system operates effectively under varying conditions by controlling the flow between inlet and outlet passageways.
Another notable patent is the "Graduated Release/Proportioning Valve," intended for rail car brake systems. This valve features a proportioning piston and a graduated release valve member that facilitates the controlled release of brake pressure, enhancing the reliability of braking mechanisms in rail cars.
Career Highlights
Throughout his career, John B Carroll has been associated with esteemed companies such as Westinghouse Air Brake Company and Westinghouse Air Brake Technologies Corporation. His expertise in brake systems has led to significant advancements in railway safety and performance.
Collaborations
Carroll has had the opportunity to work alongside talented engineers and inventors, including Gary M Sich and Daniel G Scott. Their collaborative efforts have undoubtedly contributed to the innovative nature of his patents and the advancements in railway technologies.
Conclusion
John B Carroll's innovations in railway brake systems demonstrate his commitment to improving safety and efficiency within the industry. His extensive patent portfolio is a testament to his creativity and expertise, making him a key figure in the field of railway technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.