Patents by Inventor Olivier Lefebvre
Olivier Lefebvre has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11734757Abstract: A computer implemented method, a system and a non-transitory storage medium are provided, for automatically recreating and displaying the chronology of market events that led to a variation in a profit and loss (PnL) account of an entity implementing a trading strategy. The chronology of market events is represented in a graphical user interface. The trading strategy is run by a plurality of processing devices which are remotely located from one another. A computer implemented method for automatically identifying chains of market events is also provided, where the market events have led to unusual variations in a profit and loss (PnL) account of a group of securities traded by an entity.Type: GrantFiled: April 2, 2021Date of Patent: August 22, 2023Assignee: Banque Nationale du CanadaInventors: David Shaun Guay, Remi Croteau, Olivier Lefebvre
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Publication number: 20230097537Abstract: Disclosed herein is a wastewater treatment reactor that makes use of activated carbon as the adsorbent. The wastewater treatment reaction is suitable for use in an electrochemical advanced oxidation process and includes a cathode and anode, where the cathode is arranged to incorporate activate carbon and carbon brushes. Also disclosed herein are methods making use of the reactor for adsorption of contaminants and its regeneration.Type: ApplicationFiled: February 22, 2021Publication date: March 30, 2023Applicant: National University of SingaporeInventors: Olivier Lefebvre, Orlando Garcia Rodriguez, Hugo Olvera Vargas, Zuxin Wang
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Publication number: 20210319509Abstract: A computer implemented method, a system and a non-transitory storage medium are provided, for automatically recreating and displaying the chronology of market events that led to a variation in a profit and loss (PnL) account of an entity implementing a trading strategy. The chronology of market events is represented in a graphical user interface. The trading strategy is run by a plurality of processing devices which are remotely located from one another. A computer implemented method for automatically identifying chains of market events is also provided, where the market events have led to unusual variations in a profit and loss (PnL) account of a group of securities traded by an entity.Type: ApplicationFiled: April 2, 2021Publication date: October 14, 2021Inventors: David Shaun GUAY, Remi CROTEAU, Olivier LEFEBVRE
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Patent number: 10703127Abstract: The present invention relates to the field of the intaglio printing process. In particular, the present invention relates to a method that combines intaglio inks curable by oxidation with UV-VIS-curable intaglio inks on one intaglio plate or cylinder. The disclosed method results in an intaglio printed security element using advantageously the unalike properties of the different inks while enabling the printing on a standard printing press in one printing step.Type: GrantFiled: November 21, 2019Date of Patent: July 7, 2020Assignee: SICPA HOLDING SAInventors: Olivier Lefebvre, Patrick Magnin, Christophe Schaller, Pierre Degott, Jean-Daniel Spitteler
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Patent number: 10611184Abstract: The present invention relates to the field of the intaglio printing process. In particular, the present invention relates to a method that combines intaglio inks curable by oxidation with UV-VIS-curable intaglio inks on one intaglio plate or cylinder. The disclosed method results in an intaglio printed security element using advantageously the unalike properties of the different inks while enabling the printing on a standard printing press in one printing step.Type: GrantFiled: March 11, 2013Date of Patent: April 7, 2020Assignee: SICPA HOLDING SAInventors: Olivier Lefebvre, Patrick Magnin, Christophe Schaller, Pierre Degott, Jean-Daniel Spitteler
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Publication number: 20200086676Abstract: The present invention relates to the field of the intaglio printing process. In particular, the present invention relates to a method that combines intaglio inks curable by oxidation with UV-VIS-curable intaglio inks on one intaglio plate or cylinder. The disclosed method results in an intaglio printed security element using advantageously the unalike properties of the different inks while enabling the printing on a standard printing press in one printing step.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Inventors: Olivier LEFEBVRE, Patrick MAGNIN, Christophe SCHALLER, Pierre DEGOTT, Jean-Daniel SPITTELER
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Patent number: 10352326Abstract: The invention relates to an assembly on an engine, which comprises a first and a second piece mounted so as to rotate relative to one another. A connecting device is provided between such pieces. It comprises a first annular part defining a flange fixed to the first piece a second annular part extending substantially parallel with the axis of rotation of the engine and studs connecting the first and second annular parts together. An interface for the rotational sliding about said axis is positioned between the second annular part and the second piece. The second annular part is sectorized.Type: GrantFiled: May 17, 2016Date of Patent: July 16, 2019Assignee: Safran Aircraft EnginesInventors: Grégory Nicolas Gérald Gillant, Aline Bourdais, Olivier Lefebvre
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Publication number: 20180273777Abstract: The present invention is related to an intaglio ink composition comprising a first component A) and a second component B), wherein the first component A) is selected from the group consisting of i) about 0.1% to about 40% by weight of a plurality of first particles having a modal particle diameter between about 1 nm and about 3 ?m, said plurality of first particles may be a material having machine readable properties, preferably selected from the group consisting of magnetic properties, UV- or IR-absorbing properties, optically variable properties, light polarization properties, electro-conductive properties, luminescent properties and combinations thereof, ii) about 1% to about 20% by weight of one or more dyes, said one or more dyes may be a material having machine readable properties preferably selected from the group consisting of IR-absorbing properties, luminescent properties and combinations thereof, and iii) combinations thereof, and the second component B) is about 0.Type: ApplicationFiled: May 24, 2018Publication date: September 27, 2018Inventors: Olivier LEFEBVRE, Patrick MAGNIN
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Patent number: 9863277Abstract: A turbine engine fan rotor having a disk carrying blades, a substantially frustoconical cover mounted on the disk, and axial retention device for retaining the blades and including a ring mounted in an annular groove in the disk and forming a bearing surface for roots of the blades. The ring is festooned or crenellated and co-operates with a festooned radial annular lip of the disk. The rotor also has at least one axial tooth inserted in hollow portions of the ring and of the lip of the disk. Two coaxial parts arranged radially inside the disk have respective first and second fastener flanges for fastening to the disk, said flanges being axially interposed between the cover and the disk, being circumferentially offset relative to one another, and being fastened independently of one another to the disk.Type: GrantFiled: August 29, 2013Date of Patent: January 9, 2018Assignee: SNECMAInventors: Olivier Lefebvre, Marc Jolly
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Patent number: 9745865Abstract: A device for axial locking of a moving part in rotation with respect to a reference part, includes a downstream locking wedge provided with lugs laid out such that the downstream locking wedge can be placed in: a first angular position in which the downstream locking wedge may be translated axially with respect to the moving part, a second angular position in which the lugs axially immobilize the downstream locking wedge with respect to the moving part; an upstream locking wedge able to prevent the rotation of the downstream locking wedge with respect to the moving part; and a stop segment able to immobilize axially the upstream locking wedge against the downstream locking wedge.Type: GrantFiled: January 24, 2014Date of Patent: August 29, 2017Assignee: SNECMAInventors: Olivier Lefebvre, Philippe Bourdin, Marc Jolly
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Patent number: 9724957Abstract: The present invention relates to the field of the protection of security documents, especially banknotes, against illegal actions such as robbery or theft. In particular, the present invention relates to the field of ink compositions for producing irreversibly magnetically induced images or patterns, said inks comprising multichromal microspheres, preferably bichromal microspheres (1) that are orientable upon application of a magnetic field and that comprise at least a first portion (2) comprising one or more dyes and/or pigments and at least a second portion (3) comprising one or more magnetic or magnetizable materials, wherein said microspheres (1) comprise as the first portion a core (2) having a surface and comprising the one or more dyes and/or pigments and as the second portion a partial coating (3) covering at least a portion of the surface of said core (2) and comprising the one or more magnetic or magnetizable materials.Type: GrantFiled: October 22, 2013Date of Patent: August 8, 2017Assignee: SICPA HOLDING SAInventors: Olivier Lefebvre, Patrick Magnin, Christophe Schaller
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Publication number: 20160341205Abstract: The invention relates to an assembly on an engine, which comprises a first and a second piece mounted so as to rotate relative to one another. A connecting device is provided between such pieces. It comprises a first annular part defining a flange fixed to the first piece a second annular part extending substantially parallel with the axis of rotation of the engine and studs connecting the first and second annular parts together. An interface for the rotational sliding about said axis is positioned between the second annular part and the second piece. The second annular part is sectorized.Type: ApplicationFiled: May 17, 2016Publication date: November 24, 2016Applicant: SnecmaInventors: Grégory Nicolas Gérald Gillant, Aline Bourdais, Olivier Lefebvre
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Patent number: 9434203Abstract: The present invention is related to a security element comprising a pattern of at least three layers, wherein a first layer comprises a first material which is capable of interacting with a first electromagnetic radiation but does not interact with a second and third electromagnetic radiation, a second layer comprises a second material which is capable of interacting with said second electromagnetic radiation but does not interact with a first and third electromagnetic radiation, and a third layer comprising a third material which is capable of interacting with a third electromagnetic radiation but does not interact with a first and second electromagnetic radiation, wherein said pattern provides a visual motion effect when exposed to a sequential illumination with a light source capable of separately emitting at least said first, second and third electromagnetic radiation.Type: GrantFiled: April 15, 2014Date of Patent: September 6, 2016Assignee: SICPA HOLDING SAInventors: Olivier Lefebvre, Catherine Fankhauser
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Publication number: 20160075162Abstract: The present invention is related to a security element comprising a pattern of at least three layers, wherein a first layer comprises a first material which is capable of interacting with a first electromagnetic radiation but does not interact with a second and third electromagnetic radiation, a second layer comprises a second material which is capable of interacting with said second electromagnetic radiation but does not interact with a first and third electromagnetic radiation, and a third layer comprising a third material which is capable of interacting with a third electromagnetic radiation but does not interact with a first and second electromagnetic radiation, wherein said pattern provides a visual motion effect when exposed to a sequential illumination with a light source capable of separately emitting at least said first, second and third electromagnetic radiation.Type: ApplicationFiled: April 15, 2014Publication date: March 17, 2016Applicant: SICPA HOLDING SAInventors: Olivier LEFEBVRE, Catherine FANKHAUSER
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Publication number: 20160009075Abstract: For improving the intaglio printing of inks comprising large particles such as optically variable pigment particles and/or optically variable magnetic or magnetizable pigment particles, the invention proposes a process for intaglio printing a feature or pattern comprising the steps of (i) inking one or more chablon cylinders with one or more low viscosity inks, and comprising particles having a size (d50) up to about 90 microns with one or more screen cylinders comprising urging means, the one or more screen cylinders being connected by means of a connecting duct to an intaglio ink reservoir, (ii) transferring the one or more inks from the one or more chablon cylinders to a plate cylinder carrying one or more an intaglio engraved plates, (iii) transferring one or more inks ink from the plate cylinder carrying one or more an intaglio engraved plates to a substrate, and (iv) hardening or curing the one or more inks.Type: ApplicationFiled: December 13, 2013Publication date: January 14, 2016Applicant: SICPA HOLDING SAInventors: Olivier Lefebvre, Pierre Degott, Patrick Magnin, Christophe Schaller
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Publication number: 20150376422Abstract: The present invention is related to an intaglio ink composition comprising a first component A) and a second component B), wherein the first component A) is selected from the group consisting of i) about 0.1% to about 40% by weight of a plurality of first particles having a modal particle diameter between about 1 nm and about 3 ?m, said plurality of first particles may be a material having machine readable properties, preferably selected from the group consisting of magnetic properties, UV- or IR-absorbing properties, optically variable properties, light polarization properties, electro-conductive properties, luminescent properties and combinations thereof, ii) about 1% to about 20% by weight of one or more dyes, said one or more dyes may be a material having machine readable properties preferably selected from the group consisting of IR-absorbing properties, luminescent properties and combinations thereof, and iii) combinations thereof, and the second component B) is about 0.Type: ApplicationFiled: December 20, 2013Publication date: December 31, 2015Applicant: SICPA HOLDING SAInventors: Olivier LEFEBVRE, Patrick MAGNIN
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Publication number: 20150298485Abstract: The present invention relates to the field of the protection of security documents, especially banknotes, against illegal actions such as robbery or theft. In particular, the present invention relates to the field of ink compositions for producing irreversibly magnetically induced images or patterns, said inks comprising multichromal microspheres, preferably bichromal microspheres (1) that are orientable upon application of a magnetic field and that comprise at least a first portion (2) comprising one or more dyes and/or pigments and at least a second portion (3) comprising one or more magnetic or magnetizable materials, wherein said microspheres (1) comprise as the first portion a core (2) having a surface and comprising the one or more dyes and/or pigments and as the second portion a partial coating (3) covering at least a portion of the surface of said core (2) and comprising the one or more magnetic or magnetizable materials.Type: ApplicationFiled: October 22, 2013Publication date: October 22, 2015Applicant: SICPA HOLDING SAInventors: Olivier LEFEBVRE, Patrick MAGNIN, Christophe SCHALLER
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Publication number: 20150226087Abstract: A turbine engine fan rotor having a disk carrying blades, a substantially frustoconical cover mounted on the disk, and axial retention device for retaining the blades and including a ring mounted in an annular groove in the disk and forming a bearing surface for roots of the blades. The ring is festooned or crenellated and co-operates with a festooned radial annular lip of the disk. The rotor also has at least one axial tooth inserted in hollow portions of the ring and of the lip of the disk. Two coaxial parts arranged radially inside the disk have respective first and second fastener flanges for fastening to the disk, said flanges being axially interposed between the cover and the disk, being circumferentially offset relative to one another, and being fastened independently of one another to the disk.Type: ApplicationFiled: August 29, 2013Publication date: August 13, 2015Applicant: SNECMAInventors: Olivier Lefebvre, Marc Jolly
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Publication number: 20150035268Abstract: The present invention relates to the field of the intaglio printing process. In particular, the present invention relates to a method that combines intaglio inks curable by oxidation with UV-VIS-curable intaglio inks on one intaglio plate or cylinder. The disclosed method results in an intaglio printed security element using advantageously the unalike properties of the different inks while enabling the printing on a standard printing press in one printing step.Type: ApplicationFiled: March 11, 2013Publication date: February 5, 2015Applicant: SICPA HOLDING SAInventors: Olivier Lefebvre, Patrick Magnin, Christophe Schaller, Pierre Degott, Jean-Daniel Spitteler
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Patent number: 8807036Abstract: An oxidatively curing intaglio printing ink is disclosed, comprising an oxidatively curable polymer, an anionic macromolecular surfactant, a wax component, and a salt of vanadium, preferably of the vanadyl (VO2+) ion, as the oxypolymerization inducing siccativating agent.Type: GrantFiled: July 2, 2008Date of Patent: August 19, 2014Assignee: Sicpa Holding SAInventors: Olivier Lefebvre, Christophe Schaller, Pierre Degott, Edgar Müller