Average Co-Inventor Count = 4.17
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. (3 from 18 patents)
2. Portec Rail Products, Inc. (2 from 29 patents)
5 patents:
1. 9096242 - Gauge face lubrication
2. 9022173 - Grease guide
3. 8550297 - Bulk transfer dispensing device and method
4. 7798365 - Bulk transfer dispensing device and method
5. 7258201 - Skirt for top of rail applicator