Average Co-Inventor Count = 4.80
ph-index = 3
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. (7 from 18 patents)
2. Koppers Delaware, Inc. (3 from 17 patents)
3. Harrison, Harold Devillo (0 patent)
10 patents:
1. 12037750 - Gauge plate insulator
2. 10961665 - Rail joint assembly having forged rail joint bars
3. D885977 - Anti-rail rollover device
4. 10358153 - Top of rail foam bar
5. 10220860 - Wayside friction management system
6. 9440665 - Top of rail foam bar
7. 9352761 - Wayside friction management system
8. 9022173 - Grease guide
9. 8955645 - Top of rail foam bar
10. 8783416 - Wiping bar quick clamp