Average Co-Inventor Count = 2.40
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. Union Tank Car Company (2 from 29 patents)
2 patents:
1. 9828006 - Disengaging handle assembly for a bottom outlet valve
2. 9746873 - Disengaging handle assembly for a bottom outlet valve