Inventor · disambiguated record
John Ullo
Also filed as: ULLO JOHN · ULLO JOHN J
5 granted patents·2 pending applications·50 citations·filing 1981–2014
78Inventor score
Top patents by PatentIndex Score
7 records- 0171US7629604B2Nano-based device and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Dec 8, 2009·6 cites·18 claims
- 0267US8297351B2Downhole sensing system using carbon nanotube FETYOSHIUCHI HIDETOSHI·Filed 2008·Granted Oct 30, 2012·13 cites·19 claims
- 0359US10573574B2Devices for cooling and powerSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Feb 25, 2020·0 cites·17 claims
- 0451US4416151AMethod and apparatus for determining in situ hydrocarbon characteristics including hydrogen densitySCHLUMBERGER TECHNOLOGY CORP·Filed 1981·Granted Nov 22, 1983·21 cites·20 claims
- 0546US2008178920A1Devices for cooling and powerSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 0643US2009139244A1Devices for cooling and powerSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 0740US4577102AMethod and apparatus for distinguishing hydrocarbon from fresh water in situSCHLUMBERGER TECHNOLOGY CORP·Filed 1981·Granted Mar 18, 1986·10 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →