Average Co-Inventor Count = 2.25
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 Electric Corporation (3 from 8,033 patents)
3 patents:
1. 4447680 - Power collection apparatus for a transportation system
2. 4168770 - Power collection apparatus for a transportation system
3. 4043436 - Support apparatus for electrically conductive rail