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ENI SPA
IT233 patents
Top patents by PatentIndex Score
US6649140B2Nov 18, 2003
Process for the continuous production of hydrogen peroxide
ENI SPA95 citations96
US6630118B2Oct 7, 2003
Process for the direct synthesis of hydrogen peroxide
ENI SPA36 citations92
US7048905B2May 23, 2006
Process for the production of hydrogen peroxide
ENI SPA24 citations91
US6596667B2Jul 22, 2003
Supported cobalt-based catalyst
ENI SPA19 citations91
US6347814B1Feb 19, 2002
Integral joint for the connection of two pipes
ENI SPA91 citations91
US7691256B2Apr 6, 2010
Process for the conversion of heavy charges such as heavy crude oils and distillation residues
ENI SPA22 citations90
US7404942B2Jul 29, 2008
Process for the production of hydrogen and the co-production of carbon dioxide
ENI SPA35 citations90
US7195730B2Mar 27, 2007
Method for making centralizers for centralising a tight fitting casing in a borehole
ENI SPA22 citations89
US6586481B2Jul 1, 2003
Catalyst based on cobalt and its use in the fischer-tropsch process
ENI SPA20 citations87
US6921778B2Jul 26, 2005
Process for converting synthesis gas in reactors that are arranged in series
ENI SPA13 citations83
US6900248B2May 31, 2005
High-pressure fischer-tropsch synthesis process using an optimized coolant
ENI SPA14 citations83
US6348510B1Feb 19, 2002
Fischer-Tropsch process
ENI SPA16 citations82
US7968610B2Jun 28, 2011
Process for stabilizing the performances of a catalyst for Fischer Tropsch reaction
ENI SPA7 citations81
US7845433B2Dec 7, 2010
Device and procedure for the insertion of a new drilling string-element into the drill-string of a well
ENI SPA17 citations81
US9469818B2Oct 18, 2016
Hydrocarbon composition useful as a fuel and fuel oil containing a petroleum component and a component of a biological origin
ENI SPA11 citations80
US7534340B2May 19, 2009
Process for the preparation of middle distillates and lube bases starting from synthetic hydrocarbon feedstocks
ENI SPA8 citations80
US7977085B2Jul 12, 2011
Process for the cultivation of micro-algae
ENI SPA13 citations79
US7368482B2May 6, 2008
Catalytic partial oxidation process for producing synthesis gas
ENI SPA16 citations79
US9896556B2Feb 20, 2018
Process for the impregnation of polymer substrates
ENI SPA9 citations78
US7989510B2Aug 2, 2011
Process for the purification of an aqueous stream coming from the fischer-tropsch reaction
ENI SPA7 citations78
US10132823B2Nov 20, 2018
Method and system for the continuous remote tracking of a pig device and detection of anomalies inside a pressurized pipeline
ENI SPA10 citations77
US8381593B2Feb 26, 2013
Method for the remote detection, localization and monitoring of critical faults in pipelines
ENI SPA8 citations77
US6430994B1Aug 13, 2002
Process for the continuous determination of the interaction between drilling fluids and shale formations
ENI SPA8 citations73
US9799457B2Oct 24, 2017
Electrode for solar cells and preparation method
ENI SPA2 citations72
US6689819B2Feb 10, 2004
Supported cobalt-based catalyst
ENI SPA11 citations72
US9624212B2Apr 18, 2017
Process for the preparation of benzohetero [1,3]—diazole compounds disubstituted with heteoaryl groups
ENI SPA2 citations71
US7560408B2Jul 14, 2009
Catalytically active amorphous porous solid and process for its preparation
ENI SPA7 citations71
US7419930B2Sep 2, 2008
Catalytic composition for the aromatization of hydrocarbons
ENI SPA8 citations71
US6500785B1Dec 31, 2002
Water-based drilling fluid containing anions with a high hydrodynamic radius
ENI SPA7 citations71
US10634551B2Apr 28, 2020
Reflectometric vibration measurement system and relative method for monitoring multiphase flows
ENI SPA2 citations70
US10401254B2Sep 3, 2019
Method and system for continuous remote monitoring of the integrity of pressurized pipelines and properties of the fluids transported
ENI SPA3 citations70
US9943799B2Apr 17, 2018
Separation process of gaseous compounds from natural gas with low exergy losses
ENI SPA2 citations70
US9897243B2Feb 20, 2018
Method and system for the remote detection of the position of a pig device inside a pressurized pipeline
ENI SPA2 citations70
US9885069B2Feb 6, 2018
Process for the production of lipids from biomass
ENI SPA2 citations70
US11608738B2Mar 21, 2023
Electro-acoustic transducer
ENI SPA2 citations68
US11078437B2Aug 3, 2021
Hydrogenated polymers with a radial structure having a core based on calixarenes and use thereof in lubricant compositions
ENI SPA2 citations68
US10807939B2Oct 20, 2020
Metal compounds of calixarenes, detergent compositions containing them and use thereof in lubricant compositions
ENI SPA2 citations68
US10584299B2Mar 10, 2020
Hydrogenated polymers with a radial structure having a core based on calixarenes and use thereof in lubricant compositions
ENI SPA2 citations68
US9315516B2Apr 19, 2016
Benzodithiophene derivatives and their use as photoluminescent compounds
ENI SPA3 citations68
US6495493B1Dec 17, 2002
Non-damaging drilling fluids
ENI SPA10 citations68
US9890333B2Feb 13, 2018
Packed-bed tubular reactor for heterogeneous exothermic or endothermic catalytic reactions
ENI SPA2 citations67
US10611447B2Apr 7, 2020
Autonomous underwater system for a 4D environmental monitoring
ENI SPA2 citations65
US10407628B2Sep 10, 2019
Process for the refining of crude oil
ENI SPA4 citations65
US9927514B2Mar 27, 2018
Method and system for the remote monitoring of the two/three-dimensional field of displacements and vibrations of objects/structures
ENI SPA2 citations65
US9739110B2Aug 22, 2017
Emergency valve assembly for extraction wells, well equipped with said valve and process for managing an extraction well with said valve under emergency conditions
ENI SPA2 citations65
US9733216B2Aug 15, 2017
Apparatus and method for monitoring the structural integrity of a pipeline
ENI SPA2 citations65
US10011776B2Jul 3, 2018
Multi-structured reactor made of monolithic adjacent thermoconductive bodies for chemical processes with a high heat exchange
ENI SPA2 citations64
US9599528B2Mar 21, 2017
Pipeline inspection apparatus for the internal inspection of pipelines
ENI SPA5 citations63
US7055623B2Jun 6, 2006
Method for the drilling of the initial phase of deep water oil wells with an underwater well head
ENI SPA9 citations63
US10920150B2Feb 16, 2021
Process for the production of bio-oil from biomass
ENI SPA7 citations62
Showing the top 50 of 233 patents by PatentIndex Score.