Average Co-Inventor Count = 4.00
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 (4 from 29 patents)
4 patents:
1. 10976213 - Safety procedure for valve replacement and leak detection on a tank car
2. 10969293 - Testing mechanism for valve replacement and leak detection on a tank car
3. 10704980 - Safety procedure and testing mechanism for valve replacement and leak detection on a tank car
4. 10571355 - Safety procedure and testing mechanism for valve replacement and leak detection on a tank car