Average Co-Inventor Count = 2.77
ph-index = 3
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. Portec, Inc. (3 from 46 patents)
3 patents:
1. 4084516 - Foldable slidable vehicle end enclosure
2. 4059055 - Railway car hinge-deck lock
3. 3996860 - Vehicle end enclosure