Average Co-Inventor Count = 2.82
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. Halliburton Energy Services, Inc. (3 from 11,835 patents)
2. National Oilwell Varco, L.p. (1 from 572 patents)
4 patents:
1. 11913934 - Systems and methods to determine a characteristic of a drilling fluid
2. 10989646 - Real time magnetic properties of drill cuttings, drilling fluids, and soils
3. 10697876 - Fluid analysis devices with shear stress sensors
4. 10166574 - System and method for fabricating screen panel assemblies for vibratory separators