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. Elf Aquitaine Production (1 from 58 patents)
2. Skuld-Tech S.a.r.l. (0 patent)
1 patent:
1. 5616842 - Device for evaluation of the lubricating charcteristics of a drilling mud