Average Co-Inventor Count = 1.58
ph-index = 8
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. (13 from 97 patents)
2. Pullman Incorporated (3 from 228 patents)
3. Pullman Standard Inc. (3 from 22 patents)
4. Sellberg, Robert P. (0 patent)
5. Przybylinski, Phillip G. (0 patent)
6. Hesch, Harold E. (0 patent)
19 patents:
1. 5511491 - Railway car
2. 5407309 - All purpose railway spine car
3. 5392717 - Railway car
4. 5320046 - Low profile railway car
5. 5246321 - Railway spine car
6. 5161469 - All purpose spine car container floor restraint
7. 5140912 - Rail car end assembly
8. 5090331 - All purpose car
9. 5052868 - All purpose car
10. 5010825 - Rail car end assembly
11. 4944234 - Rail car end assembly
12. 4917019 - Railway freight car
13. 4864938 - Railway freight car
14. 4626154 - Trailer hitch with elastomer in shear cushioning
15. 4573843 - Hitch mounting means