Average Co-Inventor Count = 3.36
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. 5782187 - Pivot plate assembly for articulated railway cars
4. 5765486 - Auto rack railway car
5. 5657698 - Pivot plate assembly for articulated railway cars
6. 4936227 - End door for rail car
7. 4730562 - Vehicle transporting railroad car with brace bays