Average Co-Inventor Count = 1.89
ph-index = 8
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. Canrig Drilling Technology Ltd. (11 from 73 patents)
2. Prostar Energy Technologies (usa) LLC (5 from 10 patents)
3. Nabors Drilling Technologies Usa, Inc. (1 from 211 patents)
4. Prostar Manufacturing Inc. (1 from 2 patents)
5. Northern Mat & Bridge (gp) Ltd. (1 from 1 patent)
6. Prostar Energy Technologies Gp Ltd. (0 patent)
19 patents:
1. 12269069 - Mat washing system
2. 11402053 - Vehicle support structure for a worksite
3. 11230886 - Automated drilling/service rig apparatus
4. 10988994 - Pipe handler and pipe loader for a well rig
5. 10738545 - Pipe handler and pipe loader for a well rig
6. 10711523 - Automated drilling/service rig apparatus
7. 10329857 - Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
8. 9797196 - Automated drilling/service rig apparatus
9. 9404324 - Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
10. 9097070 - Apparatus for automated oilfield torque wrench set-up to make-up and break-out tubular strings
11. 8490520 - Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
12. 8454296 - Pipe-handling apparatus and methods
13. 8215887 - Pipe-handling apparatus and methods
14. 8074537 - Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
15. 8042432 - Oilfield tubular torque wrench