Average Co-Inventor Count = 3.00
ph-index = 1
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. Advanced Truck Systems Corp. (2 from 2 patents)
2. Asf-keystone, Inc. (1 from 19 patents)
3 patents:
1. 11952019 - Railway car truck system
2. 11230302 - Railway car truck system
3. 7389731 - Non-metallic insert for rail car bolster wedge