Average Co-Inventor Count = 2.40
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 (4 from 7,646 patents)
4 patents:
1. H001685 - Drilling fluid
2. 5460225 - Gravel packing process
3. 5392855 - Method to prepare polymer solutions for down-hole applications
4. 5251699 - Low-viscosity gravel packing process