Average Co-Inventor Count = 5.00
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. Smith International, Inc. (2 from 1,426 patents)
2 patents:
1. 8651202 - Percussion drilling assembly having a floating feed tube
2. 7950475 - Percussion drilling assembly having a floating feed tube