Average Co-Inventor Count = 1.00
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. Other (1 from 832,880 patents)
2. Newpark Drilling Fluids LLC (1 from 13 patents)
2 patents:
1. 6105415 - Apparatus and method for testing lubricity
2. 5969227 - Apparatus and method for testing lubricity