Average Co-Inventor Count = 2.72
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 (5 from 10,218 patents)
2. Geoservices Equipements (3 from 23 patents)
3. Geoservices Equipments (1 from 6 patents)
4. La Societe Des Amis De L'ecole Superieure De Physique Et Chimie Industrielles De La Ville De Paris (1 from 1 patent)
5. Geoservices Equipements Sas (0 patent)
9 patents:
1. 12153027 - Tunable laser spectroscopy measurement of C13 ethane
2. 11491465 - Silica-based stationary phase for a chromatography column and methods for producing the same
3. 11208860 - Gas-extraction device and associated analysis assembly and method
4. 10942098 - Method and system for analyzing at least a rock sample extracted from a geological formation
5. 10656134 - Isothermal analysis system and method to determine at least one type of carbon compounds in drill cuttings
6. 10100637 - Device for automatically calibrating an analyzer used for mud gas or fluid logging, associated analysis system and drilling rig
7. 9671381 - Device for analyzing at least one hydrocarbon contained in a drilling fluid and associated method
8. 8616051 - Method of analyzing a number of hydrocarbons contained in a drilling fluid, and associated device
9. 8536524 - Fast mud gas logging using tandem mass spectroscopy