Average Co-Inventor Count = 1.79
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. Westinghouse Air Brake Technologies Corporation (3 from 338 patents)
2. Transportation IP Holdings, LLC (1 from 539 patents)
3. IP Transportation Holdings, LLC (1 from 1 patent)
5 patents:
1. 11987276 - Monitoring system for axles of a vehicle
2. 11953338 - Remote initialization system for a vehicle system
3. 11871234 - Secure vehicle to vehicle PTC communication
4. 11840196 - Vehicle access control system
5. 11675368 - Systems and methods for preserving route instruction information