Average Co-Inventor Count = 1.50
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. 7784546 - Tension lift frame used as a jacking frame
2. 7404443 - Compensation system for a jacking frame
3. 7357184 - Jacking frame having a wellhead centralizer and method of use