Inventor · disambiguated record
Roger Francis Cracknell
Also filed as: CRACKNELL ROGER FRANCIS
13 granted patents·6 pending applications·35 citations·filing 2003–2023
87Inventor score
Top patents by PatentIndex Score
19 records- 0178US7757676B2Reforming of GTL for marine applicationsSHELL OIL CO·Filed 2006·Granted Jul 20, 2010·5 cites·19 claims
- 0271US8790422B2Fuel formulationsCRACKNELL ROGER FRANCIS·Filed 2011·Granted Jul 29, 2014·2 cites·8 claims
- 0368US7823570B2Process for operating a compression ignition internal combustion engine in combination with a catalytic reformerSHELL OIL CO·Filed 2004·Granted Nov 2, 2010·12 cites·33 claims
- 0467US9382490B2CompositionsSHELL OIL CO·Filed 2013·Granted Jul 5, 2016·1 cites·11 claims
- 0566US7737311B2Fuel compositionsSHELL OIL CO·Filed 2004·Granted Jun 15, 2010·5 cites·30 claims
- 0660US7213567B2Process and apparatus for controlling the performance of a Homogeneous Charge Compression Ignition (HCCI) engineSHELL OIL CO·Filed 2003·Granted May 8, 2007·8 cites·20 claims
- 0759US7597724B2Gasoline compositionSHELL OIL CO·Filed 2004·Granted Oct 6, 2009·2 cites·11 claims
- 0852US9315754B2CompositionsSHELL OIL CO·Filed 2013·Granted Apr 19, 2016·0 cites·14 claims
- 0951US2020339898A1A method for reducing particulate emissionsSHELL OIL CO·Filed 2019·Application pending·0 cites
- 1048US2025163847A1Dual fuel engine systemSHELL USA INC·Filed 2023·Application pending·0 cites
- 1147US2019249097A1Method of improving the oxidative stability of a lubricating compositionSHELL OIL CO·Filed 2017·Application pending·0 cites
- 1246US11084997B2Process for preparing a diesel fuel compositionSHELL OIL CO·Filed 2016·Granted Aug 10, 2021·0 cites·7 claims
- 1345US2022356409A1Method for reducing low speed pre-ignitionSHELL OIL CO·Filed 2020·Application pending·0 cites
- 1444US11499107B2Liquid fuel compositionsSHELL OIL CO·Filed 2019·Granted Nov 15, 2022·0 cites·5 claims
- 1543US11912949B2Method for reducing intake valve depositsSHELL OIL CO·Filed 2020·Granted Feb 27, 2024·0 cites·13 claims
- 1642US11104857B2Fuel compositionSHELL OIL CO·Filed 2016·Granted Aug 31, 2021·0 cites·12 claims
- 1742US11001775B2Fuel compositionSHELL OIL CO·Filed 2016·Granted May 11, 2021·0 cites·12 claims
- 1838US2011308140A1Fuel composition and its useCRACKNELL ROGER FRANCIS·Filed 2011·Application pending·0 cites
- 1938US2004136901A1Process for the catalytic conversion of a gasoline compositionBAKKER GEERT MARTEN·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →