Average Co-Inventor Count = 3.75
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. Spm Oil & Gas Inc. (2 from 93 patents)
2 patents:
1. 12264956 - System and method for weighing frac sand
2. 11453601 - Frac sand separator system