Average Co-Inventor Count = 5.62
ph-index = 3
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. (3 from 191 patents)
2. National Oilwell Varco, L.p. (571 patents)
3 patents:
1. 7493969 - Drill cuttings conveyance systems and methods
2. 7484574 - Drill cuttings conveyance systems and methods
3. 7195084 - Systems and methods for storing and handling drill cuttings