Patents by Inventor Michel Cognet
Michel Cognet 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: 10589474Abstract: Variously configured sub-laminate modules are provided, which comprise at least a first ply and a second ply, the first ply comprising fibers extending in a first orientation, the second ply comprising fibers extending in a second orientation. The second orientation is offset relative to the first orientation, which offset defines an acute angle between the two orientations. The acute angle is less than 90 degrees and in at least one embodiment, the acute angle is approximately 25°. In certain embodiments, the acute angle further defines an unbalanced structure of the sub-laminate module. In certain embodiments, the first and second plies may be further secured relative to one another in a non-crimped configuration. Composite laminated structures formed from various embodiments of the sub-laminate modules are also provided, at least some of which may be homogenized. Various methods of manufacturing the sub-laminate modules and the composite laminated structures are also provided.Type: GrantFiled: February 16, 2016Date of Patent: March 17, 2020Assignees: Compagnie Chomarat, The Board of Trustees of the Leland Stanford Junior UniversityInventors: Stephen W. Tsai, Michel Cognet, Philippe Sanial
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Publication number: 20160159013Abstract: Variously configured sub-laminate modules are provided, which comprise at least a first ply and a second ply, the first ply comprising fibers extending in a first orientation, the second ply comprising fibers extending in a second orientation. The second orientation is offset relative to the first orientation, which offset defines an acute angle between the two orientations. The acute angle is less than 90 degrees and in at least one embodiment, the acute angle is approximately 25°. In certain embodiments, the acute angle further defines an unbalanced structure of the sub-laminate module. In certain embodiments, the first and second plies may be further secured relative to one another in a non-crimped configuration. Composite laminated structures formed from various embodiments of the sub-laminate modules are also provided, at least some of which may be homogenized. Various methods of manufacturing the sub-laminate modules and the composite laminated structures are also provided.Type: ApplicationFiled: February 16, 2016Publication date: June 9, 2016Inventors: Stephen W. Tsai, Michel Cognet, Philippe Sanial
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Patent number: 9296174Abstract: Variously configured sub-laminate modules are provided, which comprise at least a first ply and a second ply, the first ply comprising fibers extending in a first orientation, the second ply comprising fibers extending in a second orientation. The second orientation is offset relative to the first orientation, which offset defines an acute angle between the two orientations. The acute angle is less than 90 degrees and in at least one embodiment, the acute angle is approximately 25°. In certain embodiments, the acute angle further defines an unbalanced structure of the sub-laminate module. In certain embodiments, the first and second plies may be further secured relative to one another in a non-crimped configuration. Composite laminated structures formed from various embodiments of the sub-laminate modules are also provided, at least some of which may be homogenized. Various methods of manufacturing the sub-laminate modules and the composite laminated structures are also provided.Type: GrantFiled: October 12, 2011Date of Patent: March 29, 2016Assignees: Compagnie Chomarat, The Board of Trustees of the Leland Stanford Junior UniversityInventors: Steven W. Tsai, Michel Cognet, Philippe Sanial
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Publication number: 20150030805Abstract: Various embodiments provide a bi-angle pliable tape for use in forming a composite laminate structure. The bi-angle pliable tape comprises: a longitudinal axis extending in a unidirectional machine direction; a first ply comprising fibers extending in a first orientation, the first orientation being offset relative to the longitudinal axis at a first angle of less than 30°; and a second ply comprising fibers extending in a second orientation, the second orientation being opposite the first orientation relative to the unidirectional machine direction. The first ply and the second ply are further secured substantially adjacently relative to one another by one or more yarns so as to provide a non-crimped configuration such that the bi-angle tape defines a pliable structure. Corresponding composite laminate structures and methods for making the same are provided.Type: ApplicationFiled: July 29, 2013Publication date: January 29, 2015Applicants: COMPAGNIE CHOMARAT, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITYInventors: Stephen W. Tsai, Michel Cognet, Philippe Sanial
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Patent number: 8894650Abstract: An assembly for reducing a fracture between an epiphysis and a diaphysis of a bone has a bone plate having a fan-shaped outer end formed with a plurality of outer holes and a bar-shaped inner end extending along a longitudinal axis from the outer end and formed with a plurality of inner holes. The plate further is formed on the bar-shaped inner end with a longitudinally extending through going guide slot and between the guide slot and the outer holes with an aperture. A slide has a longitudinally extending leg with an inner end formed with a guide formation engaged into and longitudinally slidable along the guide slot and a crosspiece overlying the aperture and engaging the bone plate to both transverse sides of the aperture. The crosspiece is formed with a transversely elongated slide slot, and a slide screw engaged through the slide.Type: GrantFiled: March 12, 2013Date of Patent: November 25, 2014Assignee: Memometal TechnologiesInventors: Bernard Prandi, Gregoire Chick, Jean Michel Cognet, Xavier Martinache, Michaël Papaloïzos, Alain Tchurukdichian
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Patent number: 8579898Abstract: A bone plate for a fracture between an epiphysis and a diaphysis has an outer part unitarily formed with a fan-shaped outer end having a plurality of outer holes and an inner end extending from the outer end. A bar-shaped inner part has an outer end juxtaposed with the inner end of the outer part and formed inward of its outer end with a plurality of inner holes. A pivot is provided between the inner end of the outer part and the outer end of the inner part. Formations juxtaposed with the pivot on the inner end of the outer part and on the outer end of the inner part are lockable together in each of a plurality of angularly offset fixed positions of the inner and outer parts. When the formations are pressed together the inner and outer parts are locked angularly relative to each other.Type: GrantFiled: November 18, 2010Date of Patent: November 12, 2013Assignee: Memometal TechnologiesInventors: Bernard Prandi, Gregoire Chick, Jean Michel Cognet, Xavier Martinache, Michaël Papaloïzos, Alain Tchurukdichian
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Patent number: 8419776Abstract: An assembly for reducing a fracture between an epiphysis and a diaphysis of a bone has a bone plate having a fan-shaped outer end formed with a plurality of outer holes and a bar-shaped inner end extending along a longitudinal axis from the outer end and formed with a plurality of inner holes. The plate further is formed on the bar-shaped inner end with a longitudinally extending throughgoing guide slot and between the guide slot and the outer holes with an aperture. A slide has a longitudinally extending leg with an inner end formed with a guide formation engaged into and longitudinally slidable along the guide slot and a crosspiece overlying the aperture and engaging the bone plate to both transverse sides of the aperture. The crosspiece is formed with a transversely elongated slide slot, and a slide screw engaged through the slide.Type: GrantFiled: November 18, 2010Date of Patent: April 16, 2013Assignee: Memometal TechnologiesInventors: Bernard Prandi, Grégoire Chick, Jean Michel Cognet, Xavier Martinache, Michaël Papaloïzos, Alain Tchurukdichian
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Publication number: 20120177872Abstract: Variously configured sub-laminate modules are provided, which comprise at least a first ply and a second ply, the first ply comprising fibers extending in a first orientation, the second ply comprising fibers extending in a second orientation. The second orientation is offset relative to the first orientation, which offset defines an acute angle between the two orientations. The acute angle is less than 90 degrees and in at least one embodiment, the acute angle is approximately 25°. In certain embodiments, the acute angle further defines an unbalanced structure of the sub-laminate module. In certain embodiments, the first and second plies may be further secured relative to one another in a non-crimped configuration. Composite laminated structures formed from various embodiments of the sub-laminate modules are also provided, at least some of which may be homogenized. Various methods of manufacturing the sub-laminate modules and the composite laminated structures are also provided.Type: ApplicationFiled: October 12, 2011Publication date: July 12, 2012Inventors: Steven W. Tsai, Michel Cognet, Philippe Sanial
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Publication number: 20110218533Abstract: An assembly for reducing a fracture between an epiphysis and a diaphysis of a bone has a bone plate having a fan-shaped outer end formed with a plurality of outer holes and a bar-shaped inner end extending along a longitudinal axis from the outer end and formed with a plurality of inner holes. The plate further is formed on the bar-shaped inner end with a longitudinally extending throughgoing guide slot and between the guide slot and the outer holes with an aperture. A slide has a longitudinally extending leg with an inner end formed with a guide formation engaged into and longitudinally slidable along the guide slot and a crosspiece overlying the aperture and engaging the bone plate to both transverse sides of the aperture. The crosspiece is formed with a transversely elongated slide slot, and a slide screw engaged through the slide.Type: ApplicationFiled: November 18, 2010Publication date: September 8, 2011Inventors: Bernard Prandi, Grégoire Chick, Jean Michel Cognet, Xavier Martinache, Michaël Papaloïzos, Alain Tchurukdichian
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Publication number: 20110218534Abstract: A bone plate for a fracture between an epiphysis and a diaphysis has an outer part unitarily formed with a fan-shaped outer end having a plurality of outer holes and an inner end extending from the outer end. A bar-shaped inner part has an outer end juxtaposed with the inner end of the outer part and formed inward of its outer end with a plurality of inner holes. A pivot is provided between the inner end of the outer part and the outer end of the inner part. Formations juxtaposed with the pivot on the inner end of the outer part and on the outer end of the inner part are lockable together in each of a plurality of angularly offset fixed positions of the inner and outer parts. When the formations are pressed together the inner and outer parts are locked angularly relative to each other.Type: ApplicationFiled: November 18, 2010Publication date: September 8, 2011Inventors: Bernard PRANDI, Grégoire Chick, Jean Michel Cognet, Xavier Martinache, Michaël Papaloïzos, Alain Tchurukdichian