Average Co-Inventor Count = 1.66
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. Thrall Car Manufacturing Company (7 from 64 patents)
2. Other (1 from 832,718 patents)
8 patents:
1. 5452664 - Articulated, low level railroad spine car with overlapping kingpin
2. 5170717 - Railroad cars for transporting cylindrical objects transversely with
3. 5088417 - Light weight center beam railroad cars with pinned connections
4. 5036774 - Long-travel side bearing for an articulated railroad car
5. 4949646 - Container carrying railroad car with improved support system
6. 4924779 - Long-travel side bearing for an articulated railroad car
7. 4911082 - Drop center gondola car
8. 4909157 - Container carrying railroad car with improved support system