Inventor · disambiguated record
Philippe Lefebvre
Also filed as: LEFEBVRE PHILIPPE · LEFEBVRE PHILIPPE J
32 granted patents·10 pending applications·275 citations·filing 1985–2025
96Inventor score
Files withAIR LIQUIDE13CONTE4L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude4SOCIéTé BIC4LAIR LIQUIDE SA POUR LETUDE ET L’EXPLOITATION DES PROCEDES GEORGES CLAUDE3
Top patents by PatentIndex Score
42 records- 0194US10814665B2Writing or coloring pencilCONTE·Filed 2017·Granted Oct 27, 2020·5 cites·21 claims
- 0293US9988546B2Colour pencil leadCONTE·Filed 2015·Granted Jun 5, 2018·8 cites·18 claims
- 0390US10308063B2Paper pencil leadCONTE·Filed 2015·Granted Jun 4, 2019·5 cites·19 claims
- 0487US10774232B2Wax-based coloring crayon with a watercolor effectSOCIéTé BIC·Filed 2017·Granted Sep 15, 2020·3 cites·20 claims
- 0587US10316208B2Pencil for writing or colouringCONTE·Filed 2015·Granted Jun 11, 2019·3 cites·20 claims
- 0686US9610652B2Laser nozzle having an external mobile element made of electrically insulating material and an insert made of electrically conductive materialL'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude·Filed 2013·Granted Apr 4, 2017·6 cites·13 claims
- 0786US5320485AGuide vane with a plurality of cooling circuitsSNECMA·Filed 1993·Granted Jun 14, 1994·57 cites·5 claims
- 0881US9616525B2Laser nozzle with mobile element of improved external profileL'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude·Filed 2013·Granted Apr 11, 2017·4 cites·13 claims
- 0979US5865553ALiquid-ink writing instrument having a reservoir fitted with a system to prevent loss of primingCONTE SA·Filed 1997·Granted Feb 2, 1999·33 cites·13 claims
- 1077US9844832B2Laser nozzle having an internal mobile element and an external coverL'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude·Filed 2013·Granted Dec 19, 2017·3 cites·10 claims
- 1177US9604310B2Laser nozzle having an external mobile elementL'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude·Filed 2013·Granted Mar 28, 2017·3 cites·11 claims
- 1277US4773817ALabyrinth seal adjustment device for incorporation in a turbomachineSNECMA·Filed 1987·Granted Sep 27, 1988·36 cites·7 claims
- 1376US10076806B2Laser nozzle comprising an element movable in a gas layerAIR LIQUIDE·Filed 2012·Granted Sep 18, 2018·3 cites·8 claims
- 1474US6608285B2Hybrid arc/laser welding with earth contactor position controlAIR LIQUIDE·Filed 2001·Granted Aug 19, 2003·18 cites·19 claims
- 1571US2025381598A1Process for preparing powderLAIR LIQUIDE SA POUR LETUDE ET L’EXPLOITATION DES PROCEDES GEORGES CLAUDE·Filed 2025·Application pending·0 cites
- 1671US2025381597A1Process for preparing powderLAIR LIQUIDE SA POUR LETUDE ET L’EXPLOITATION DES PROCEDES GEORGES CLAUDE·Filed 2025·Application pending·0 cites
- 1767US11286397B2Alcohol-based dry-erasable inkSOCIéTé BIC·Filed 2018·Granted Mar 29, 2022·0 cites·20 claims
- 1866US4662821AAutomatic control device of a labyrinth seal clearance in a turbo jet engineSNECMA·Filed 1985·Granted May 5, 1987·38 cites·3 claims
- 1965US8378253B2Method for laser welding using a nozzle capable of stabilizing the keyholeAIR LIQUIDE·Filed 2008·Granted Feb 19, 2013·1 cites·13 claims
- 2065US2025205783A1Additive manufacturing device comprising a robot for characterizing protective gas flowsLAIR LIQUIDE SA POUR LETUDE ET L’EXPLOITATION DES PROCEDES GEORGES CLAUDE·Filed 2023·Application pending·0 cites
- 2164US10926352B2Laser nozzle with mobile elementAIR LIQUIDE·Filed 2018·Granted Feb 23, 2021·0 cites·4 claims
- 2264US9321131B2Method for CO2 laser welding with a dynamic jet nozzleLEFEBVRE PHILIPPE·Filed 2009·Granted Apr 26, 2016·2 cites·7 claims
- 2364US6815635B2Use of helium/nitrogen gas mixtures for laser welding tailored blanksAIR LIQUIDE·Filed 2003·Granted Nov 9, 2004·10 cites·13 claims
- 2462US6392194B1Process for the MIG welding of aluminium and its alloys in pulsed mode or unmodulated-spray modeAIR LIQUIDE·Filed 2000·Granted May 21, 2002·9 cites·9 claims
- 2561US11072722B2Pencil leadSOCIéTé BIC·Filed 2018·Granted Jul 27, 2021·0 cites·13 claims
- 2659US6770841B2Use of helium/nitrogen gas mixtures in up to 8kW laser weldingAIR LIQUIDE·Filed 2003·Granted Aug 3, 2004·7 cites·15 claims
- 2758US2018354073A1Laser nozzle comprising an element movable in a gas layerLAIR LIQUIDE SA POUR LETUDE ET IEXPLOITATION DES PROCEDES GEORGES CLAUDE·Filed 2018·Application pending·0 cites
- 2857US6586700B2Process for the MIG welding of aluminum and its alloys with a shielding gas of the Ar/He/O2 typeAIR LIQUIDE·Filed 2001·Granted Jul 1, 2003·7 cites·20 claims
- 2957US6437288B1Process and unit for the mig welding of aluminum and its alloysAIR LIQUIDE·Filed 2000·Granted Aug 20, 2002·8 cites·11 claims
- 3056US11970623B2Dry erase ink with improved drying timeSOCIéTé BIC·Filed 2018·Granted Apr 30, 2024·0 cites·20 claims
- 3151US2006081568A1Use of helium/nitrogen gas mixtures in up to 12kW laser weldingBRIAND FRANCIS·Filed 2005·Application pending·0 cites
- 3251US2008116175A1Laser welding process with improved penetrationAIR LIQUIDE·Filed 2007·Application pending·0 cites
- 3349US8977970B2Method and system for handling media in an instant messaging environmentMERCIER DENIS·Filed 2006·Granted Mar 10, 2015·2 cites·75 claims
- 3447US9351474B2Disinfestation processLEFEBVRE PHILIPPE·Filed 2012·Granted May 31, 2016·0 cites·21 claims
- 3547US6831248B2Use of helium/nitrogen gas mixtures for the laser welding of stainless steel pipesAIR LIQUIDE·Filed 2003·Granted Dec 14, 2004·2 cites·16 claims
- 3645US10786868B2Laser nozzle with mobile elementDEBECKER ISABELLE·Filed 2012·Granted Sep 29, 2020·0 cites·6 claims
- 3745US7385158B2Method and installation for laser welding with a N2/He gas mixture, the N2/He content being controlled according to the laser powerAIR LIQUIDE·Filed 2002·Granted Jun 10, 2008·1 cites·7 claims
- 3845US7038163B2Use of helium/nitrogen gas mixtures in up to 12 kW laser weldingAIR LIQUIDE·Filed 2003·Granted May 2, 2006·1 cites·15 claims
- 3943US2005263500A1Laser or laser/arc hybrid welding process with formation of a plasma on the backsideBRIAND FRANCIS·Filed 2005·Application pending·0 cites
- 4036US2005016971A1Method and installation for laser welding with an ar/he gas mixture, the ar/he contents being controlled according to the laser powerFiled 2002·Application pending·0 cites
- 4136US2002008094A1Laser/arc hybrid welding process with appropriate gas mixtureL AIR LIQUID SA POUR L ETUDE E·Filed 2001·Application pending·0 cites
- 4235US2005211688A1Method for hybrid multiple-thickness laser-arc welding with edge weldingMATILE OLIVIER·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →