Average Co-Inventor Count = 8.47
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 (2 from 7,646 patents)
2 patents:
1. 9309755 - Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
2. 8267185 - Circulated heated transfer fluid systems used to treat a subsurface formation