Average Co-Inventor Count = 2.67
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 (2 from 64 patents)
2. Trinity Industries, Inc. (1 from 97 patents)
3. Engineered Fabrics Corporation (1 from 5 patents)
4 patents:
1. 7275488 - Auto rack railway car
2. 6289822 - Auto rack railway car
3. 5785455 - Shore seal tidal barrier containment boom
4. 5765486 - Auto rack railway car