Average Co-Inventor Count = 1.60
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. National Oilwell Varco Norway as (3 from 50 patents)
2. National Oilwell Vareo Norway as (1 from 5 patents)
3. National Oilwell Varco, L.p. (572 patents)
4. Grant Prideco, Inc. (75 patents)
5. Orca Connex as (0 patent)
4 patents:
1. 11448020 - Drilling system and method
2. 11293238 - Drilling system for rock drilling
3. 10801270 - Jack-up rig for performing multiple independent operations simultaneously
4. 9586322 - Method and device for treatment of a pipestring section that is positioned in a set-back