Average Co-Inventor Count = 1.83
ph-index = 1
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. Nabors Drilling Technologies Usa, Inc. (4 from 210 patents)
2. Tesco Corporation (2 from 123 patents)
3. Nabros Drilling Technologies Usa, Inc. (1 from 1 patent)
7 patents:
1. 10697257 - Interlock system and method for a drilling rig
2. 10472950 - Plug detection system and method
3. 10370899 - Mud saver valve measurement system and method
4. 10371562 - Strain gauge span block for a drilling rig
5. 10107089 - Top drive movement measurements system and method
6. 9903167 - Interlock system and method for drilling rig
7. 9765579 - Tubular stress measurement system and method