Average Co-Inventor Count = 2.40
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 (5 from 64 patents)
2. Trn Business Trust (2 from 81 patents)
3. Trinity Industries, Inc. (1 from 97 patents)
8 patents:
1. 7182569 - Auto rack deck hinge arrangement
2. 6623223 - Auto rack deck hinge arrangement
3. 6363864 - Lightweight railroad car for carrying steel coils
4. 6273004 - Motor-vehicle carrying railcar with improved sidewall structure
5. 6244801 - Motor-vehicle carrying railcar with offset H-frame
6. 4784067 - Lightweight center beam railroad car
7. 4753175 - Lightweight center beam railroad car
8. 4681041 - Lightweight center beam railroad car