Average Co-Inventor Count = 3.23
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 (6 from 64 patents)
2. Trinity Industries, Inc. (1 from 97 patents)
7 patents:
1. 7275488 - Auto rack railway car
2. 6289822 - Auto rack railway car
3. 5787816 - Auto rack side panel assembly
4. 5765486 - Auto rack railway car
5. 4836726 - Vehicle wheel chock for securing vehicles during transport
6. 4759669 - Vehicle transporting railroad car with hinged deck section lock
7. 4677918 - Railroad car with retractable closure track held down by bridge plate