Average Co-Inventor Count = 3.75
ph-index = 3
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. Wabtec Holding Corporation (4 from 192 patents)
2. Westinghouse Air Brake Technologies Corporation (3 from 338 patents)
7 patents:
1. 12060095 - Alerting system and method
2. 11827259 - Method and system for transmitting enforceable instructions in vehicle control systems
3. 11148692 - Alerting system and method
4. 10919551 - Method and system for transmitting enforceable instructions in vehicle control systems
5. 10081378 - Method and system for transmitting enforceable instructions in positive train control systems
6. 9956973 - System, method, and apparatus for generating vital messages on an on-board system of a vehicle
7. 9283945 - Braking systems and methods of determining a safety factor for a braking model for a train