Average Co-Inventor Count = 4.00
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. Intevep, S.a. (1 from 333 patents)
1 patent:
1. 6554070 - Composition and method for sealing an annular space between a well bore and a casing