Average Co-Inventor Count = 4.29
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 (3 from 7,645 patents)
3 patents:
1. 9574434 - Monitoring system for well casing
2. 8973434 - Monitoring system for well casing
3. 7320951 - Silica-based drilling mud comprising glycoside lubricants with amino-linked alkyl chains