Average Co-Inventor Count = 3.00
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. Archer Oiltools As (1 from 12 patents)
1 patent:
1. 12392217 - Toolstring and method for inner casing perforating, shattering annulus cement, and washing the first annulus in a second casing