Average Co-Inventor Count = 5.25
ph-index = 2
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. Grain Processing Corporation (2 from 136 patents)
3 patents:
1. D881431 - Lantern
2. 8342104 - Rail car and method for transport of bulk materials
3. 7900564 - Rail car and method for transport of bulk materials