Average Co-Inventor Count = 3.00
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. Hydril USA Distribution LLC (2 from 62 patents)
2 patents:
1. 11459844 - Blowout preventer system and method
2. 11441381 - Blowout preventer system and method