Average Co-Inventor Count = 5.10
ph-index = 7
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 (9 from 10,170 patents)
2. Stephane J. Virally (0 patent)
3. Christopher P. Reed (0 patent)
4. John A. Thomas (0 patent)
5. Franck Al-shakarchi (0 patent)
6. Jean-marc Follini (0 patent)
7. Remi Hutin (0 patent)
9 patents:
1. 7866708 - Joining tubular members
2. 7493959 - Joining tubular members
3. 7380616 - Automatic downlink system
4. 7320370 - Automatic downlink system
5. 7198102 - Automatic downlink system
6. 7128152 - Method and apparatus to selectively reduce wellbore pressure during pumping operations
7. 7128160 - Method and apparatus to selectively reduce wellbore pressure during pumping operations
8. 6808020 - Debris-free valve apparatus and method of use
9. 6732803 - Debris free valve apparatus