Average Co-Inventor Count = 2.93
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. New York Air Brake Corporation (4 from 291 patents)
4 patents:
1. 9925993 - Speed profiling for locomotive display and event recorder
2. 9819781 - System for providing temporary speed restrictions to locomotives
3. 9469316 - Using wayside signals to optimize train driving under an overarching railway network safety system
4. 8594865 - Train control system