Average Co-Inventor Count = 1.78
ph-index = 2
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. Halliburton Energy Services, Inc. (6 from 11,805 patents)
2. Other (1 from 832,891 patents)
3. Landmark Graphics Corporation (1 from 608 patents)
8 patents:
1. 12060792 - Rotary steerable drilling tool and method with independently actuated pads
2. 11713671 - Downhole state-machine-based monitoring of vibration
3. 11441358 - Directional drilling system with cartridges
4. 11125017 - Directional driller quality reporting system and method
5. 10676993 - Directional drilling system with cartridges
6. 10417608 - Real-time analysis of wellsite inventory activity
7. 10067973 - Double-time analysis of oil rig activity
8. 4643592 - Vibration limiting of rotating machinery through active control means