Average Co-Inventor Count = 1.68
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. Trinity Industries, Inc. (4 from 97 patents)
2. Jac Patent Company (2 from 10 patents)
3. Greenville Steel Car Co. (1 from 5 patents)
7 patents:
1. 7824140 - Aluminum vehicle carrier railcar
2. 7094013 - Aluminum vehicle carrier railcar
3. 5031543 - Side panel anti-abrasion envelope
4. 4964347 - Side panel assembly for an auto rack car
5. 4924780 - Sliding end panels for a rail car
6. 4715291 - Railroad car door bottom guide rail system
7. 4212252 - Gondola-type railway car