Patents by Inventor Jean Laurent

Jean Laurent 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).

  • Publication number: 20150118035
    Abstract: A turbine stage for a turbine engine, the stage including a nozzle and a wheel mounted inside a sectorized ring carried by a casing. The nozzle is attached to the casing and is retained axially downstream by bearing against an annular split ring. Each ring sector includes at its upstream end a member of C-shaped section that is engaged on the casing rail and that holds the split ring radially. A radially inner wall of the C-shaped member of each ring sector extends inside the split ring over an entire axial dimension thereof and its upstream end portion is engaged in at least one recess of the nozzle.
    Type: Application
    Filed: April 17, 2013
    Publication date: April 30, 2015
    Applicant: SNECMA
    Inventors: Alain Dominique Gendraud, Alberto Martin-Matos, Vincent Millier, Sebastien Jean Laurent Prestel
  • Patent number: 8961117
    Abstract: A turbine stage of a turbine engine, the stage including a rotor wheel mounted inside a sectorized ring carried by an outer casing, the outer casing including at least a circumferential rim housed in an annular cavity to attach a downstream end of the ring sector. A bottom wall of the annular cavity of the ring sector remains radially spaced apart from the circumferential rim of the outer casing to provide a thermally insulating space between them and includes a radial positioning mechanism acting on the circumferential rim.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: February 24, 2015
    Assignee: Snecma
    Inventors: Fabrice Marcel Noel Garin, Alain Dominique Gendraud, Gilles Jeannin, Sebastien Jean Laurent Prestel
  • Publication number: 20140341722
    Abstract: A device for axially arresting a sealing ring made of an abradable material in contact with a periphery of an aircraft turbomachine module rotor, the device having a first reference central axis, and including: a support including a support opening defining a circular track centered on a second axis at a distance from the axis; and an axial stop part including an extraction passage centered on a third axis at a distance from the axis, and defining a complementary circular track around its periphery, cooperating with the track to allow the part to rotate about the axis, between an axial stop position for the sealing ring, and a position to extract the ring through the extraction passage.
    Type: Application
    Filed: December 4, 2012
    Publication date: November 20, 2014
    Applicant: SNECMA
    Inventors: Olivier Belmonte, Sebastien Jean Laurent Prestel
  • Publication number: 20140334154
    Abstract: This device (1) comprises:-means for attaching to and suspending from a support member,-a printed circuit (2) comprising (i) an upper face (13), tilted in the direction of the support, (ii) a lower face supporting and linking electronically amongst one another a plurality of electroluminescent diodes, (iii) a first end attached to a first end unit (4), and (iv) a second end attached to a second end unit (5), and-means for supporting and for free passage of at least one electric cord, connected to the first end unit (4) and to the second end unit (5) and intended for guiding each electric cable along the printed circuit (2) between the first end unit (4) and the second end unit (5), the means for supporting and for free passage of each electric cord extending along the printed circuit (2).
    Type: Application
    Filed: November 19, 2012
    Publication date: November 13, 2014
    Inventor: Jean-Laurent Houot
  • Patent number: 8869040
    Abstract: A method, apparatus and computer-readable medium for facilitating application sharing. In operation, a user selects at least one of a plurality of applications operating on a first computer to share with at least a second computer. The user then selects at least one of a plurality of security measures for preventing a user operating the second computer from performing at least one of a plurality of unauthorized operations. Next, the user initiates applications sharing on the first computer, wherein the user operating the second computer may access or observe an application running on the first computer, but may not perform any unauthorized operations on the first computer.
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: October 21, 2014
    Assignee: Microsoft Corporation
    Inventors: Diane Baek, Jean-Laurent Huynh
  • Publication number: 20140278106
    Abstract: A method and system for computing and visualizing sedimentary attributes may include receiving, by a processor, paleo-geographic coordinates representing predicted approximate positions of particles of sediment deposited at a time period when a layer was originally formed. The processor may numerically compute or determine a sedimentation rate that varies laterally along the layer. The processor may determine a sedimentary attribute based on the lateral variation of the sedimentation rate along the layer with respect to the paleo-geographic coordinates. A monitor or display may display the sedimentary attribute of the layer in the present-day geological space.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicants: PARADIGM SCIENCES LTD.
    Inventor: Jean-Laurent MALLET
  • Publication number: 20140255713
    Abstract: A method for manufacturing a propylene polymer, including: a) fermenting and optionally purifying first renewable materials to produce an alcohol or an alcohol mixture, the alcohol or alcohol mixture including at least isopropanol and/or at least a mixture of ethanol and 1-butanol; b) dehydrating the resulting alcohol or the alcohol mixture to produce an alkene or alkene mixture in a first series of reactors, the alkene or alkene mixture containing at least propylene; c) polymerizing the propylene in a second reactor, optionally in the presence of a comonomer, so as to produce a propylene polymer; d) isolating the propylene polymer obtained in step c); and e) grafting the propylene polymer obtained from step d). A grafted propylene polymer capable of being obtained by the method, to the compositions containing the polymer, as well as to the uses of the polymer.
    Type: Application
    Filed: May 21, 2014
    Publication date: September 11, 2014
    Applicant: ARKEMA FRANCE
    Inventors: Samuel DEVISME, Fabrice CHOPINEZ, Jean-Laurent PRADEL, Guillaume LE, Thomas ROUSSEL, Jean-Luc DUBOIS
  • Patent number: 8802814
    Abstract: The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 ?m, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 ?m. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 ?m and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: August 12, 2014
    Assignee: Arkema France
    Inventors: Guillaume Le, Cyrille Mathieu, Karine Loyen, Jean Laurent Pradel, Jean Jacques Flat
  • Publication number: 20140205442
    Abstract: A sealing device for a nozzle of a turbomachine turbine including a turbine rotor. The turbine nozzle includes at least one inner annular platform. The turbine rotor includes a downstream spoiler disposed substantially axially. The sealing device includes at least one sealing sheet disposed, radially, between the inner face of the inner platform and the downstream spoiler of the rotor of the turbine so as to form an overlap clearance.
    Type: Application
    Filed: May 4, 2012
    Publication date: July 24, 2014
    Applicant: SNECMA
    Inventors: Florent Pierre Antoine Luneau, Patrick Joseph, Marie Girard, Sebastien Jean-Laurent Prestel, Jean-Luc Soupizon
  • Patent number: 8743115
    Abstract: A system and method may model physical geological structures. Seismic and geologic data may be accepted. A three-dimensional (3D) transformation may be generated between a 3D present day model having points representing present locations of the physical geological structures and a 3D past depositional model having points representing locations where the physical geological structures were originally deposited. An indication may be accepted to locally change the 3D transformation for a subset of sampling points in a first model of the models. The 3D transformation may be locally changed to fit the updated subset of sampling points. A locally altered or updated version of the first model and, e.g., second model, may be displayed where local changes to the first model are defined by the locally changed 3D transformation. The transformation may also be used to extract geobodies in the past depositional model.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: June 3, 2014
    Assignees: Paradigm Sciences Ltd.
    Inventors: Jean-Laurent Mallet, Jean-Claude Dulac, Emmanuel Labrunye, Christophe Winkler, Laurent Deny
  • Patent number: 8734100
    Abstract: A turbine stage for a turbomachine, the stage comprising a rotor wheel mounted inside a sectorized ring carried by an outer casing, and a sectorized nozzle fastened to the casing downstream from the wheel, each ring sector having a downstream end that is held bearing radially outwards against a cylindrical rail of the casing by means of the nozzle, the casing rail including an annular row of through radial notches reducing the areas for heat exchange by conduction both between the casing and the ring sectors and between the casing and the nozzle.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: May 27, 2014
    Assignee: SNECMA
    Inventors: Fabrice Marcel Noel Garin, Alain Dominique Gendraud, Thierry Lequitte, Sebastien Jean Laurent Prestel
  • Patent number: 8711140
    Abstract: A method, apparatus and system for, in a computing system, modeling a subsurface structure at a time period when the structure was originally formed. A memory may store a first model having a plurality of non-planar horizons representing a current state of the subsurface structure. A processor may compute a vector field based on the non-planar geometry of the horizons of the first model. The vector field may be a non-uniform vector field (e.g., the axe and/or co-axe vector field) or a uniform vector field (e.g., a global axis). Using the vector field, the processor may transform geographic coordinates of the first model to paleo-geographic coordinates of a second model representing a predicted state of the subsurface structure at a time period when the subsurface structure was originally formed, where the non-planar horizons in the first model are transformed to planar horizons in the second model. A display may display the first model.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: April 29, 2014
    Assignees: Paradigm Sciences Ltd.
    Inventor: Jean-Laurent Mallet
  • Publication number: 20140105732
    Abstract: A turbine for a gas turbine engine comprising at least one turbine stator and one turbine rotor, said turbine stator comprising at least one inner annular platform, said inner platform comprising a radial wall delimiting at least one cavity between the turbine stator and the turbine rotor, wherein the turbine rotor comprises at least one elongate element positioned substantially axially and defining a sealing baffle in said cavity, and in that the turbine stator comprises at least one element made of abradable material designed to engage with said elongate element of the turbine rotor so as to form a labyrinth seal.
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: SNECMA
    Inventors: Florent Pierre Antoine LUNEAU, Alain Dominique Gendraud, Patrick Joseph Marie Girard, Sebastien Jean Laurent Prestel
  • Patent number: 8635052
    Abstract: A method of transforming an input stratigraphic grid SGrid which represents a region including one or more geological discontinuities is now disclosed. At least one target cell that is local to one or more geological discontinuities is transformed by displacing at least one target vertex of the target cell of the input SGrid in a selected direction that: i) is selected to approximate a local tangent of the reference horizon; and ii) is oriented from the target vertex to a representative manifold representing one of the geological discontinuities and/or an intersection between two or more of the geological discontinuities. A magnitude of a displacement by which the target vertex is moved is determined according to a non-Euclidian distance between the target vertex of the target cell of the input SGrid and the representative manifold.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: January 21, 2014
    Assignee: Paradigm Ltd.
    Inventors: Jean-Laurent Mallet, Wan-Chiu Li, Jean-Claude Dulac
  • Patent number: 8615733
    Abstract: A computer readable storage medium includes executable instructions to accept a selection of a website to add a document retrieval component for retrieving related reports. Specifications for the document retrieval component are collected. Specifications for how to perform a search for the related reports are received. The document retrieval component is added to the website.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: December 24, 2013
    Assignee: SAP France S.A.
    Inventors: Didier Marc Jean Bolf, Alexis-Jean Laurent Naibo
  • Publication number: 20130337025
    Abstract: The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 ?m, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 ?m. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 ?m and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products.
    Type: Application
    Filed: January 20, 2012
    Publication date: December 19, 2013
    Applicant: ARKEMA FRANCE
    Inventors: Guillaume Le, Cyrille Mathieu, Karine Loyen, Jean Laurent Pradel, Jean Jacques Flat
  • Patent number: 8600708
    Abstract: A method, apparatus and system for, in a computing system, perturbing an initial three-dimensional (3D) geological model using a 3D vector field. A coherent 3D vector field including 3D vectors may be generated where each 3D vector of the 3D vector field is associated with a node of the initial 3D geological model and has a magnitude within a range of uncertainty of the node of the initial 3D geological model associated therewith. The coherent 3D vector field may be applied to the initial 3D geological model associated therewith to generate an perturbed 3D model. The perturbed 3D model may differ from the initial 3D geological model by a displacement defined by the 3D vector field associated with nodes having uncertain values. The perturbed 3D model may be displayed.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: December 3, 2013
    Assignees: Paradigm Sciences Ltd.
    Inventors: Jean-Laurent Mallet, Anne-Laure Tertois
  • Publication number: 20130262052
    Abstract: A method and system for generating a model function h(x,y,z) implicitly representing geologic horizons. Geological data representing a fault network and horizons automatically extracted from seismic data may be received. A 3D mesh may be generated and divided into a plurality of fault blocks by the fault network. A discrete function h(x,y,z) may be defined having values of the geological data representing horizons at discrete nodes of the mesh. Constraints may be installed on the discrete function h(x,y,z) defining surfaces representing horizons. Constraints may be installed on the discrete function h(x,y,z) to ensure the uniqueness of the function h(x,y,z). The discrete function h(x,y,z) may be interpolated at the nodes of the mesh to create a piecewise continuous function h (x,y,z) while honoring the constraints. The piecewise continuous horizon function h(x,y,z) may be synchronized across multiple fault blocks. A model of the piecewise continuous horizon function h(x,y,z) may be displayed.
    Type: Application
    Filed: May 1, 2012
    Publication date: October 3, 2013
    Inventors: Jean-Laurent MALLET, Emmanuel Labrunye, Ronit Levy, Sharon Hezy
  • Patent number: 8425184
    Abstract: A turbine shroud ring sector for a turbomachine supported at the upstream end by a downstream support of a turbine casing with circular sliding including a first stop able to collaborate with a second stop borne by an element of the turbomachine adjacent to the shroud ring in order to immobilize the shroud ring circularly is disclosed. The sector includes, on an end facing the element, a recess able to allow the second stop to pass to come into contact with the first stop. The recess is cut substantially in the form of a rectangle having, at the bottom of the recess, corners that are rounded in a circular arc of radius r. The bottom of the recess has a convex shape tangential to the circular arcs of the rounded corners and with a curvature that evolves between a radius of curvature r where it meets the rounded corners and a radius of R, greater than the radius r, at a point situated between the two rounded corners.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: April 23, 2013
    Assignee: Snecma
    Inventors: Bruno Druez, Thomas Langevin, Sebastien Jean Laurent Prestel, Guillaume Sevi
  • Patent number: 8362068
    Abstract: Provided herein are 5,5-fused heteroarylene hepatitis C virus inhibitor compounds, for example, of Formula I, IA, or IB, pharmaceutical compositions comprising the compounds, and processes of preparation thereof. Also provided are methods of their use for the treatment of an HCV infection in a host in need thereof.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: January 29, 2013
    Assignee: Idenix Pharmaceuticals, Inc.
    Inventors: Cyril B. Dousson, David Dukhan, Christophe Claude Parsy, Claire Pierra, Francois-Rene Alexandre, Guillaume Brandt, Daniel Da Costa, Houcine Rahali, Jean-Laurent Paparin, Michel Derock, Thierry Convard, Dominique Surleraux