Average Co-Inventor Count = 1.33
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 7,646 patents)
2. Shell Research Limited (1 from 101 patents)
3. Canadian Fracmaster Ltd. (1 from 16 patents)
2 patents:
1. 5884698 - Whipstock assembly
2. 5431223 - Drilling kick-off device