Average Co-Inventor Count = 2.65
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. Weatherford Canada Partnership (3 from 20 patents)
2. Iron Derrickman Ltd. (2 from 2 patents)
3. Other (1 from 832,912 patents)
4. Warrior Rig Technologies Limited (1 from 7 patents)
5. Automated Rig Technologies Ltd. (1 from 3 patents)
6. Warrier Rig Ltd (1 from 1 patent)
9 patents:
1. 10711542 - Circumferential displacement sucker rod tong
2. 9879486 - Portable pipe handling system
3. 9157286 - Portable pipe handling system
4. 7992646 - Horizontal offline stand building system
5. 7967541 - Apparatus for handling and racking pipes
6. 7967540 - Vertical offline stand building and manipulating system
7. 7794192 - Apparatus for handling and racking pipes
8. 7331746 - Apparatus for handling and racking pipes
9. 5785132 - Backup tool and method for preventing rotation of a drill string