Average Co-Inventor Count = 1.41
ph-index = 6
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. Thrall Car Manufacturing Company (5 from 64 patents)
2. Thrall Manufacturing Company (1 from 1 patent)
6 patents:
1. 5657698 - Pivot plate assembly for articulated railway cars
2. 4979856 - Vehicle cantilever chock block apparatus for railroad car transport of
3. 4838743 - Vehicle cantilever chock block apparatus for railroad car transport of
4. 4679974 - Vehicle chock block apparatus for railroad car transport of vehicles
5. 4674929 - Railroad car with chock block apparatus for securing vehicles being
6. 4668140 - Railroad car with chock block apparatus for securing transported vehicles