Average Co-Inventor Count = 3.43
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. Fairmount Santrol Inc. (1 from 2 patents)
2. Covia Solutions Inc. (1 from 1 patent)
2 patents:
1. 11713415 - Salt-tolerant self-suspending proppants made without extrusion
2. 10808162 - Crush resistant buoyant ball sealers