Average Co-Inventor Count = 2.93
ph-index = 5
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 (8 from 10,218 patents)
2. Tyson R. Messick (0 patent)
8 patents:
1. 9416885 - Low profile valves
2. 8225874 - Gas lift valve assembly and method of using
3. 7886835 - High angle water flood kickover tool
4. 7832486 - Flapper gas lift valve
5. 7647975 - Gas lift valve assembly
6. 7549849 - Tandem motors
7. 7451810 - Kickover tool and selective mandrel system
8. 6932581 - Gas lift valve