Average Co-Inventor Count = 2.77
ph-index = 2
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. National Oilwell Varco, L.p. (2 from 572 patents)
2. Other (1 from 832,718 patents)
3. Innovex Downhole Solutions, Inc. (1 from 82 patents)
4. Packers Plus Energy Services, Inc. (1 from 55 patents)
5 patents:
1. 12492601 - Anti-preset liner hanger systems
2. 12338706 - Cement plug system
3. 11268347 - Testable sliding sleeve valve
4. 10273780 - Hydraulically actuated tool with pressure isolator
5. 9284801 - Actuator switch for a downhole tool, tool and method