Average Co-Inventor Count = 2.19
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. (5 from 97 patents)
2. Trinity Rail Group, LLC (3 from 43 patents)
3. Trinity North American Freight Car, Inc. (2 from 26 patents)
4. Trinity Tank Car, Inc. (1 from 5 patents)
11 patents:
1. 12179811 - Modular coil railcar
2. 11745771 - Rapid discharge door locking system
3. 11084508 - Longitudinal sliding gate for hopper car
4. 10773735 - Rapid discharge door locking system
5. 10486718 - Hopper car gate seal
6. 9851016 - Pressure relief valve for railroad tank cars
7. 9669848 - Energy absorption/coupling system for a railcar and related method for coupling railcars to each other
8. 9643623 - Gussets for reinforcement in tank cars and tank cars including gussets
9. 9643625 - System and method for powered railcar doors
10. 8701565 - System and method for powered railcar doors
11. 7975622 - System and method for reinforcing railway tank cars