Average Co-Inventor Count = 3.16
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. Noble Drilling Services Inc. (3 from 20 patents)
3 patents:
1. 10689933 - Pressure assisted motor operated ram actuator for well pressure control device
2. 10364609 - Method for excavating mud line cellar for subsea well drilling
3. 10196865 - Method and system for lubricating riser slip joint and containing seal leakage