Average Co-Inventor Count = 2.00
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. Union Tank Car Company (1 from 29 patents)
2. Utlx Manufacturing LLC (1 from 2 patents)
2 patents:
1. 9643624 - Railroad tank car
2. 8833268 - Railroad tank car