Average Co-Inventor Count = 5.46
ph-index = 6
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. Shell Oil Comapny (7 from 7,646 patents)
7 patents:
1. 8752904 - Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations
2. 8636323 - Mines and tunnels for use in treating subsurface hydrocarbon containing formations
3. 8562078 - Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations
4. 8434555 - Irregular pattern treatment of a subsurface formation
5. 8177305 - Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations
6. 8172335 - Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations
7. 8162405 - Using tunnels for treating subsurface hydrocarbon containing formations