Average Co-Inventor Count = 1.00
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. Norfolk Southern Corporation (2 from 37 patents)
2 patents:
1. 9364928 - Tool and method for removing sweeper bristles from a railway track broom
2. 8438711 - Tool and method for removing sweeper bristles from a railway track broom