Patents by Inventor Michel Lefrancois
Michel Lefrancois 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: 11933403Abstract: A metallic sealing assembly between a rotating shaft and a fixed frame comprises: a flexible metallic seal having two tori, inner and outer, that are concentric and of different average diameters, comprising a metal envelope which encases and holds the inner and outer tori; a shaft rotating about an axis of rotation, comprising an annular shoulder against which the seal comes to press; a counter-face, comprising a contact face against which the seal comes to press; a wedge block positioned around the rotating shaft such that the seal is held between the wedge block and the contact face, the wedge block mounted to slide on the rotating shaft; a metal part which forms a cap through which the rotating shaft passes and which is secured to the frame and/or to the counter-face, the rotating shaft being free to rotate with respect to the cap and axially secured to the cap.Type: GrantFiled: April 1, 2019Date of Patent: March 19, 2024Assignees: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Laurent Guimet, Jean-François Juliaa, Michel Lefrancois, Christophe Darles, Olivier Constant
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Patent number: 11821517Abstract: A static metal seal comprising an outer sealing layer, wherein the outer sealing layer comprises a textured surface that is configured to come into contact with the surfaces that are to be sealed, the textured surface comprising a network of depressions spaced apart from one another on the textured surface, wherein the depressions are blind, do not pass all the way through the outer sealing layer, and do not communicate with one another.Type: GrantFiled: December 13, 2019Date of Patent: November 21, 2023Assignees: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Florent Ledrappier, Jean-François Juliaa, Marin Teissier, Michel Lefrancois, Thierry David, Tony Zaouter
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Patent number: 11644103Abstract: A metal sealing system for a triple eccentricity butterfly valve includes a dynamic metal seal, having a metal core surrounded by an external coating; a metal case with an external surface that has an inclined conical shape, including a first housing inside which the dynamic metal seal is mounted; a metal cover fixed to the metal case to allow it to close by flush fitting of the upper or lower faces of the metal cover and the metal case, the metal case having a second housing into which the metal cover fits, the dynamic metal seal being located between the metal cover and the surface of the metal case defining the first housing.Type: GrantFiled: September 15, 2021Date of Patent: May 9, 2023Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Laurent Guimet, Michel Lefrancois, Etienne Boyer, Marin Tessier, Jean-Jacques Darque, Bertrand Thevenon
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Publication number: 20220090685Abstract: The main purpose of the invention is a metal sealing system (6) for a triple eccentricity butterfly valve (30) comprising: a dynamic metal seal (21), comprising a metal core surrounded by an external coating; a metal case (15) with an external surface that has an inclined conical shape, comprising a first housing inside which the dynamic metal seal (21) is mounted; a metal cover (29) fixed to the metal case (15) to allow it to close by flush fitting of the upper or lower faces of the metal cover (29) and the metal case (15), the metal case comprising a second housing into which the metal cover fits, the dynamic metal seal (21) being located between the metal cover (29) and the surface of the metal case (15) defining the first housing.Type: ApplicationFiled: September 15, 2021Publication date: March 24, 2022Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Laurent GUIMET, Michel LEFRANCOIS, Etienne BOYER, Marin TESSIER, Jean-Jacques DARQUE, Bertrand THEVENON
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Publication number: 20220057029Abstract: A static metal seal comprising an outer sealing layer, wherein the outer sealing layer comprises a textured surface that is configured to come into contact with the surfaces that are to be sealed, the textured surface comprising a network of depressions spaced apart from one another on the textured surface, wherein the depressions are blind, do not pass all the way through the outer sealing layer, and do not communicate with one another.Type: ApplicationFiled: December 13, 2019Publication date: February 24, 2022Inventors: Florent Ledrappier, Jean-François Juliaa, Marin Teissier, Michel Lefrancois, Thierry David, Tony Zaouter
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Publication number: 20210018098Abstract: A metallic sealing assembly between a rotating shaft and a fixed frame comprises: a flexible metallic seal having two tori, inner and outer, that are concentric and of different average diameters, comprising a metal envelope which encases and holds the inner and outer tori; a shaft rotating about an axis of rotation, comprising an annular shoulder against which the seal comes to press; a counter-face, comprising a contact face against which the seal comes to press; a wedge block positioned around the rotating shaft such that the seal is held between the wedge block and the contact face, the wedge block mounted to slide on the rotating shaft; a metal part which forms a cap through which the rotating shaft passes and which is secured to the frame and/or to the counter-face, the rotating shaft being free to rotate with respect to the cap and axially secured to the cap.Type: ApplicationFiled: April 1, 2019Publication date: January 21, 2021Inventors: Laurent Guimet, Jean-François Juliaa, Michel Lefrancois, Christophe Darles, Olivier Constant
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Patent number: 10647717Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, R4, R5, and R6 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: GrantFiled: June 18, 2019Date of Patent: May 12, 2020Assignees: AbbVie S.á.r.l., Galapagos NVInventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Matthieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang, Ann de Blieck
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Patent number: 10508111Abstract: The present invention discloses compounds according to Formula I: wherein R1, R2, and Cy are as defined herein. The present invention relates to compounds inhibiting IRAK family kinases, methods for their production, pharmaceutical compositions comprising the same, and methods of treatment using the same, for the prophylaxis and/or treatment of inflammatory diseases, autoimmune diseases and/or proliferative diseases by administering the compound of the invention.Type: GrantFiled: October 14, 2016Date of Patent: December 17, 2019Assignee: GALAPAGOS NVInventors: Reginald Christophe Xavier Brys, Raphaël Jean Joël Geney, Agnès Marie Joncour, Julien Georges Pierre-Olivier Doyon, Frédéric Gilbert Labéguère, Jean-Michel Lefrançois, Oscar Mammoliti, Benoît Antoine Schmitt, Steven Emiel Van Der Plas, Christel Jeanne Marie Menet
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Publication number: 20190330207Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, R4, R5, and R6 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: ApplicationFiled: June 18, 2019Publication date: October 31, 2019Inventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Matthieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang, Ann de Blieck
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Patent number: 10428959Abstract: An annular assembly for compressing a seat of a ball-valve, including: a valve body or insert, including an annular internal counter-bore that defines an inner counter-bore diameter; a sleeve inserted into the annular internal counter-bore, defining at least one outer diameter of the sleeve; the body or the insert defining with the sleeve an annular housing in which the assembly includes, in succession: a downstream stack of head rings, an annular head shim, a stack of mechanisms of compression, an annular base shim, and an upstream stack of base rings.Type: GrantFiled: October 13, 2015Date of Patent: October 1, 2019Assignees: COMMISSARIAT A L'ENERGIE ATOMTQUE ET AUX ENERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Laurent Guimet, Florent Ledrappier, Michel Lefrancois
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Publication number: 20190202823Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, R4, R5, and R6 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: ApplicationFiled: March 6, 2019Publication date: July 4, 2019Inventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Matthieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang, Ann de Blieck
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Publication number: 20190167640Abstract: The present invention relates to, inter alia, treatment of muscle dystrophy (e.g., Duchenne Muscular Dystrophy), for example, using a composition, e.g., a composition comprising Compound (I), or a pharmaceutically acceptable salt, prodrug or metabolite thereof.Type: ApplicationFiled: October 24, 2018Publication date: June 6, 2019Inventors: Ernest D. Bush, Francois Nique, Catherine Jagerschmidt, Florence Sylvie Namour, Roland Blanque, Jean-Michel Lefrancois, Christophe Peixoto, Pierre Deprez, Nicholas Triballeau, Piet Tom Burt Paul Wigerinck
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Patent number: 10259810Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, R4, R5, and R6 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: GrantFiled: December 15, 2017Date of Patent: April 16, 2019Assignees: AbbVie S.à.r.l., Galapagos NVInventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Matthieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang, Ann de Blieck
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Patent number: 10130622Abstract: A corrector agent capable of stabilizing a newly synthesized cystic fibrosis transmembrane conductance regulator (CFTR) protein, useful in the treatment of cystic fibrosis.Type: GrantFiled: October 7, 2016Date of Patent: November 20, 2018Assignees: AbbVie S.á.r.l., Galapagos NVInventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Katja E. Conrath, Douglas Cyr, Elsa De Lemos, Gert Jules Hector De Wilde, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Mathieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Chris Tse, Steven Emiel Van der Plas, Xueqing Wang
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Publication number: 20180305351Abstract: The present invention discloses compounds according to Formula I: wherein R1, R2, and Cy are as defined herein. The present invention relates to compounds inhibiting IRAK family kinases, methods for their production, pharmaceutical compositions comprising the same, and methods of treatment using the same, for the prophylaxis and/or treatment of inflammatory diseases, autoimmune diseases and/or proliferative diseases by administering the compound of the invention.Type: ApplicationFiled: October 14, 2016Publication date: October 25, 2018Inventors: Reginald Christophe Xavier BRYS, Raphaël Jean Joël GENEY, Agnès Marie JONCOUR, Julien Georges Pierre-Olivier DOYON, Frédéric Gilbert LABÉGUÈRE, Jean-Michel LEFRANÇOIS, Oscar MAMMOLITI, Benoît Antoine SCHMITT, Steven Emiel VAN DER PLAS, Christel Jeanne Marie MENET
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Publication number: 20180156208Abstract: The present application provides a static seal assembly for a rod configured for reciprocal motion. The static seal assembly is generally sized to fit within a conventional cup of a stuffing box. The static seal assembly has a body with a base and a balloon that fit within the cup. The balloon is made of an expandable material and is selectively in fluid communication with a pressurized fluid source. When pressurized, or inflated, the balloon expands and forms a seal interface with the outer surface of the rod.Type: ApplicationFiled: November 22, 2017Publication date: June 7, 2018Inventors: Pascal Mahieux, David Schroeder, Michel Lefrancois, Michel Berger, Bruno Rouchouze
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Publication number: 20180105522Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, R4, R5, and R6 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: ApplicationFiled: December 15, 2017Publication date: April 19, 2018Inventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Matthieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang, Ann de Blieck
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Patent number: 9890158Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, R4, R5, and R6 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: GrantFiled: October 7, 2016Date of Patent: February 13, 2018Assignees: AbbVie S.á.r.l., Galapagos NVInventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Brian S. Brown, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Nuria Merayo Merayo, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V. Patel, Matthieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang, Ann de Blieck
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Patent number: 9796711Abstract: The present invention provides for compounds of formula (I) wherein R1, R2, R3, and R4 have any of the values defined in the specification, and pharmaceutically acceptable salts thereof, that are useful as agents in the treatment of diseases and conditions mediated and modulated by CFTR, including cystic fibrosis, Sjögren's syndrome, pancreatic insufficiency, chronic obstructive lung disease, and chronic obstructive airway disease. Also provided are pharmaceutical compositions comprised of one or more compounds of formula (I).Type: GrantFiled: October 7, 2016Date of Patent: October 24, 2017Assignees: AbbVie S.á.r.l., Galapagos NVInventors: Rhalid Akkari, Luke Jonathan Alvey, Xavier Marie Bock, Pieter Isabelle Roger Claes, Marlon D. Cowart, Elsa De Lemos, Nicolas Desroy, Béranger Duthion, Gregory A. Gfesser, Romain Luc Marie Gosmini, Christopher Gaëtan Housseman, Koen Karel Jansen, Jianguo Ji, Philip R. Kym, Jean-Michel Lefrancois, Oscar Mammoliti, Christel Jeanne Marie Menet, Gregory John Robert Newsome, Adeline Marie Elise Palisse, Sachin V Patel, Mathieu Rafaël Pizzonero, Anurupa Shrestha, Elizabeth C. Swift, Steven Emiel Van der Plas, Xueqing Wang
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Publication number: 20170299071Abstract: An annular assembly for compressing a seat of a ball-valve, including: a valve body or insert, including an annular internal counter-bore that defines an inner counter-bore diameter; a sleeve inserted into the annular internal counter-bore, defining at least one outer diameter of the sleeve; the body or the insert defining with the sleeve an annular housing in which the assembly includes, in succession: a downstream stack of head rings, an annular head shim, a stack of mechanisms of compression, an annular base shim, and an upstream stack of base rings.Type: ApplicationFiled: October 13, 2015Publication date: October 19, 2017Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, TECHNETICS GROUP FRANCE SASInventors: Laurent GUIMET, Florent LEDRAPPIER, Michel LEFRANCOIS