Average Co-Inventor Count = 3.79
ph-index = 4
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 (5 from 10,170 patents)
2. Services Petroliers Schlumberger (0 patent)
3. Schlumberger Holdings Limited (0 patent)
4. Prad Research and Development Limited (0 patent)
5. Dinesh R. Patel (0 patent)
6. Vladimir Vaynshteyn (0 patent)
7. James D. Hendrickson (0 patent)
8. Jim B. Benton (0 patent)
9. Raghu Madhavan (0 patent)
10. Mitchell G. Willcox (0 patent)
6 patents:
1. D930831 - Microbial barrier tubing clamp
2. 7992638 - Downhole disconnect mechanism
3. 7775273 - Tool using outputs of sensors responsive to signaling
4. 6564876 - Packer
5. 6315050 - Packer
6. 6186227 - Packer