Patents by Inventor Xavier Calvez

Xavier Calvez 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).

  • Prosthesis comprising knitted material layers and method of manufacturing by ultrasonic welding
    Patent number: 8968419
    Abstract: The present invention relates to a prosthesis comprising at least two pieces of knitted fabric and to the method of manufacturing it using a sonotrode to perform ultrasonic welding. The prosthesis comprises at least one first piece of knitted fabric and at least one second piece of knitted fabric, which are welded together by means of a plurality of welds situated in a joining region in which at least a portion of the said first and second pieces of knitted fabric are superposed, the said first and second pieces of knitted fabric each comprising a group of yarns extending respectively in first and second directions A and B, characterized in that the said directions A and B are substantially aligned with one another in the said joining region, and each said weld in the joining region is of elongate shape with its longitudinal axis being aligned with the said directions A and B.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: March 3, 2015
    Assignee: Sofradim Production
    Inventors: Xavier Calvez, Frèdèric Evrard
  • PROSTHESIS COMPRISING KNITTED MATERIAL LAYERS AND METHOD OF MANUFACTURING BY ULTRASONIC WELDING
    Publication number: 20110166494
    Abstract: The present invention relates to a prosthesis comprising at least two pieces of knitted fabric and to the method of manufacturing it using a sonotrode to perform ultrasonic welding. The prosthesis comprises at least one first piece of knitted fabric and at least one second piece of knitted fabric, which are welded together by means of a plurality of welds situated in a joining region in which at least a portion of the said first and second pieces of knitted fabric are superposed, the said first and second pieces of knitted fabric each comprising a group of yarns extending respectively in first and second directions A and B, characterized in that the said directions A and B are substantially aligned with one another in the said joining region, and each said weld in the joining region is of elongate shape with its longitudinal axis being aligned with the said directions A and B.
    Type: Application
    Filed: September 10, 2009
    Publication date: July 7, 2011
    Applicant: SOFRADIM PRODUCTION
    Inventors: Xavier Calvez, Frèdèric Evrard