Average Co-Inventor Count = 3.43
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. Vallourec Drilling Products France (1 from 10 patents)
2. Tuboscope Vetco (France) Sas (1 from 6 patents)
3. Baker Hughes, a Ge Compnay, LLC (1,388 patents)
4. Vam Drilling France (7 patents)
2 patents:
1. 10465450 - Electromagnetic coupler
2. 9725964 - Electromagnetic coupler