Average Co-Inventor Count = 2.25
ph-index = 3
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. Societe Nationale Elf Aquitaine (production) (2 from 215 patents)
2. Elf Exploration Production (1 from 49 patents)
3 patents:
1. 6355150 - Analyzer for measuring H2S and its use for a sulfur oxidation reactor
2. 5030438 - Catalytic removal of hydrogen sulfides from liquid sulfur
3. 4849204 - Catalytic removal of hydrogen sulfides from liquid sulfur