Average Co-Inventor Count = 3.64
ph-index = 11
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. (9 from 191 patents)
2. National Oilwell Varco, L.p. (7 from 572 patents)
16 patents:
1. 9784041 - Drilling rig riser identification apparatus
2. 9170089 - System and method for measuring pipe
3. 8196472 - Ultrasonic probe apparatus, system, and method for detecting flaws in a tubular
4. 8166823 - Membrane-coupled ultrasonic probe system for detecting flaws in a tubular
5. 8016037 - Drilling rigs with apparatus identification systems and methods
6. 7958715 - Chain with identification apparatus
7. 7946356 - Systems and methods for monitored drilling
8. 7484625 - Shale shakers and screens with identification apparatuses
9. 7159654 - Apparatus identification systems and methods
10. 6931748 - Riser and tubular inspection systems
11. 6862099 - Tubular ovality testing
12. 6772636 - Pipe flaw detector
13. 6748808 - Flaw detection in tubular members
14. 6745136 - Pipe inspection systems and methods
15. 6622561 - Tubular member flaw detection