This inventor holds 2 USPTO granted patents. Top assignee: Union Switch & Signal, Inc.. Active years: 1997-1998.
Location History:
- Allegheny County, PA (US) (1997)
- Butler, PA (US) (1998)
Company Filing History:
Years Active: 1997-1998
Title: Joseph P. Elm: Innovator in Railway Technology
Introduction
Joseph P. Elm is a notable inventor based in Allegheny County, PA (US). He has made significant contributions to railway technology, holding a total of 2 patents. His work focuses on enhancing the safety and efficiency of railway systems.
Latest Patents
One of his latest inventions is the "Cab signaling apparatus and method." This invention provides a cab signaling apparatus designed for use on railway vehicles propelled by traction motors. The apparatus aims to reduce noise components within signals, thereby improving the clarity of cab signals. It features an adaptive filter that cancels noise without requiring specialized tuning. Additionally, it includes a false code monitor to identify true cab signal codes and a track signal monitor to detect true cab signals amidst noise.
Another significant patent is the "Railway car retarder system." This mechanism utilizes linear electromagnetic induction to accurately control the acceleration and deceleration of railcars. The system comprises multiple linear induction stators and a controllable power source connected to selected primary inductors. A controller regulates the electric current to these inductors based on parameters sensed from the railcar, ensuring that the speed-corrective forces are proportional to the detected parameters. In some designs, the sensor incorporates fiber-optic cable positioned near a predetermined length of track rail.
Career Highlights
Joseph P. Elm is currently employed at Union Switch & Signal, Inc., where he continues to innovate in the field of railway technology. His work has contributed to advancements in safety and operational efficiency within the railway industry.
Collaborations
Throughout his career, Elm has collaborated with notable colleagues, including Joseph A. Profeta and Theo C. Giras. These partnerships have fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Joseph P. Elm's contributions to railway technology through his patents demonstrate his commitment to improving safety and efficiency in the industry. His innovative spirit continues to drive advancements in railway systems, making him a significant figure in this field.