Inventor · disambiguated record
Zadson De Almeida Franco
Also filed as: FRANCO ZADSON D · FRANCO ZADSON D A · FRANCO ZADSON DE · FRANCO ZADSON DE ALMEIDA
4 granted patents·2 pending applications·295 citations·filing 1988–2016
81Inventor score
Files withPETROLEO BRASILEIRO SA4ENGEPET EMPRESA DE ENGENHARIA DE PETROLEO LTDA1SAUDI ARABIAN OIL CO1
Top patents by PatentIndex Score
6 records- 0196US4846277AContinuous process of hydraulic fracturing with foamPETROLEO BRASILEIRO SA·Filed 1988·Granted Jul 11, 1989·231 cites·3 claims
- 0256US6298918B1System for lifting petroleum by pneumatic pumpingPETROLEO BRASILEIRO SA·Filed 2000·Granted Oct 9, 2001·28 cites·8 claims
- 0352US5580391AProcess for the thermo-chemical cleaning of storage tanksPETROLEO BRASILEIRO SA·Filed 1994·Granted Dec 3, 1996·17 cites·13 claims
- 0441US4881599AMechanical system for diversion in the acidizing treatment of oil formationsPETROLEO BRASILEIRO SA·Filed 1988·Granted Nov 21, 1989·19 cites·14 claims
- 0536US2014290951A1Filtercake removal using exothermic in-situ nitrogen-producing reactantsSAUDI ARABIAN OIL CO·Filed 2014·Application pending·0 cites
- 0633US2018051544A1Cyclical steam injection process and equipment with water seal for thermal protection casing and pneumatic artificial lift for produced oilENGEPET EMPRESA DE ENGENHARIA DE PETROLEO LTDA·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →