Average Co-Inventor Count = 4.44
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. Progress Rail Services Corporation (2 from 119 patents)
2 patents:
1. 8365673 - System and method for railroad track tie plate collection from a rail bed
2. 8082852 - System and method for railroad track tie plate orientation