Average Co-Inventor Count = 2.00
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. National Oilwell Dht, L.p. (2 from 63 patents)
2 patents:
1. 11208846 - Drilling tool with non-synchronous oscillators and method of using same
2. 10358872 - Drilling tool with non-synchronous oscillators and method of using same