Patents by Inventor Robert C. Willmann

Robert C. Willmann 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).

  • Process of making a two-way stretchable fabric laminate and articles made from it
    Patent number: 5804011
    Abstract: The invention is a stretchable layered fabric laminate which is air impermeable and waterproof while being permeable to water vapor. The stretchable fabric laminate includes a stretchable composite material layer consisting of a hydrophobic protective layer of a porous polymeric material on each side of a layer of hydrophilic water-vapor-permeable synthetic polymer. The composite material layer is laminated to at least one layer of stretchable fabric. The stretchable layered fabric laminate has excellent stretch and recovery properties in both machine and transverse directions, and is useful for the manufacture of form-fitting articles of protective clothing and other end uses.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: September 8, 1998
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Anit Dutta, Edward J. Daniel, Robert C. Willmann
  • Two-way stretchable fabric laminate and articles made from it
    Patent number: 5529830
    Abstract: The invention is a stretchable layered fabric laminate which is air impermeable and waterproof while being permeable to water vapor. The stretchable fabric laminate includes a stretchable composite material layer consisting of a hydrophobic protective layer of a porous polymeric material on each side of a layer of hydrophilic water-vapor-permeable synthetic polymer. The composite material layer is laminated to at least one layer of stretchable fabric. The stretchable layered fabric laminate has excellent stretch and recovery properties in both machine and transverse directions, and is useful for the manufacture of form-fitting articles of protective clothing and other end uses.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: June 25, 1996
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Anita Dutta, Edward J. Daniel, Robert C. Willmann