Average Co-Inventor Count = 2.09
ph-index = 2
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. Westinghouse Air Brake Technologies Corporation (2 from 338 patents)
2. Bombardier Transportation Gmbh (2 from 236 patents)
4 patents:
1. 11208130 - Method and apparatus to improve unmonitored switch position reporting
2. 11124209 - Determining loss of communication between rail vehicles
3. 8694238 - Automated ground handling of aircraft
4. 8344877 - Track worker safety system