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USPTO Patent Rankings Data through Sept 30, 2025
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Torleif Torgersen — 2 Patents

Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
Overall (All Time): #2,114,277 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8057752 Fluid analyzer for determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis Bhavani Raghuraman, Edward Harrigan, Oliver C. Mullins, Gale Gustavson, Philip Rabbito +1 more 2011-11-15
7427504 Determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis Bhavani Raghuraman, Edward Harrigan, Oliver C. Mullins, Gale Gustavson, Philip Rabbito +1 more 2008-09-23