Average Co-Inventor Count = 1.50
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. Stanrail Corporation (2 from 6 patents)
2 patents:
1. 7900786 - Telescoping, uncoupling lever and glide housings for a railroad car
2. 6532877 - Railroad car roof panel and skylight assembly