Average Co-Inventor Count = 5.39
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. Herzog Railroad Services, Inc. (4 from 24 patents)
4 patents:
1. 12473696 - Rail tie distribution control system
2. 12435475 - Rail tie distribution system
3. 11548537 - Centering apparatus for hopper car doors
4. 11408131 - Track-lifting and ballast-spreading apparatus