Average Co-Inventor Count = 1.00
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 Company (1 from 582 patents)
2. Wabtec Corporation (1 from 8 patents)
2 patents:
1. 6081769 - Method and apparatus for determining the overall length of a train
2. 5969643 - Method and apparatus for determining relative locomotive position in a