Average Co-Inventor Count = 2.40
ph-index = 3
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. Schlumberger Technology Corporation (3 from 10,180 patents)
3 patents:
1. 7712540 - Flow control device
2. 7464761 - Flow control system for use in a well
3. 7455115 - Flow control device