Average Co-Inventor Count = 4.50
ph-index = 2
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. Shell Oil Comapny (1 from 7,645 patents)
2. Baker Hughes Corporation (1 from 5,728 patents)
2 patents:
1. 6371203 - Method of creating a wellbore in an underground formation
2. 6041857 - Motor drive actuator for downhole flow control devices