Average Co-Inventor Count = 1.64
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. Varco I/p, Inc. (2 from 191 patents)
2. Nabors Drilling Technologies Usa, Inc. (1 from 210 patents)
3 patents:
1. 11002086 - Pipe handler
2. 7461705 - Directional drilling control
3. 7404454 - Bit face orientation control in drilling operations