This inventor holds 5 USPTO granted patents. Top assignees: Westinghouse Air Brake Company, Dellner Couplers Ab, Westinghouse Air Brake Technologies Corporation. Active years: 1999-2026.
Company Filing History:
3 out of 582 
1 out of 40 
1 out of 344 
Years Active: 1999-2026
Title: Curtiss A Grau: Innovator in Railway Mechanisms
Introduction
Curtiss A Grau is a notable inventor based in Duncan, SC (US), recognized for his contributions to railway technology. He holds a total of 5 patents, showcasing his innovative spirit and technical expertise in developing mechanisms that enhance safety and efficiency in railway operations.
Latest Patents
Among his latest inventions is the "High Capacity Shear Mechanism," which serves as an emergency release mechanism for railway drawbars. This invention reduces stress on two-piece machine bolt inserts in emergency release mechanisms. It features a two-sided threaded stud that screws into a release rail, passes through a drawbar body, and is secured by a nut on the other end. Another significant patent is the "Coupler with Extended Emergency Release and Towing Feature." This vehicular coupler includes a head for connecting two vehicles, a beam member for attachment, and a housing that is slideably connected to the beam member. The design incorporates primary and secondary shear bolts, ensuring a reliable connection between vehicles while providing a cushioning device for added safety.
Career Highlights
Curtiss A Grau has worked with prominent companies such as Westinghouse Air Brake Company and Westinghouse Air Brake Technologies Corporation. His experience in these organizations has contributed to his understanding of railway systems and the development of innovative solutions.
Collaborations
Throughout his career, Grau has collaborated with notable individuals, including Steven C Rumsey and George C Mullis. These partnerships have likely fostered an environment of creativity and innovation, leading to the successful development of his patents.
Conclusion
Curtiss A Grau's contributions to railway technology through his patents reflect his dedication to improving safety and efficiency in the industry. His innovative designs continue to influence the field, showcasing the importance of inventors in advancing technology.