Average Co-Inventor Count = 5.82
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. L.b. Foster Rail Technologies, Corp. (2 from 18 patents)
2. Portec Rail Products, Inc. (1 from 29 patents)
3 patents:
1. 10220860 - Wayside friction management system
2. 9352761 - Wayside friction management system
3. 6464039 - Actuator element of a hydraulic fluid-operated railway track lubricating system