Average Co-Inventor Count = 2.57
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. Thrall Car Manufacturing Company (3 from 64 patents)
3 patents:
1. 4841876 - Railroad container transporting car of increased weight carrying capacity
2. 4754709 - Railroad car for containers having guides for the containers
3. 4718353 - Container carrying railroad car with walkways for access to containers