Patents by Inventor Steven W. Tsai

Steven W. Tsai 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).

  • Composite laminated structures and methods for manufacturing and using the same
    Patent number: 9296174
    Abstract: 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: Grant
    Filed: October 12, 2011
    Date of Patent: March 29, 2016
    Assignees: Compagnie Chomarat, The Board of Trustees of the Leland Stanford Junior University
    Inventors: Steven W. Tsai, Michel Cognet, Philippe Sanial
  • COMPOSITE LAMINATED STRUCTURES AND METHODS FOR MANUFACTURING AND USING THE SAME
    Publication number: 20120177872
    Abstract: 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: Application
    Filed: October 12, 2011
    Publication date: July 12, 2012
    Inventors: Steven W. Tsai, Michel Cognet, Philippe Sanial