Patents by Inventor David Lewis Kitchen Trumbull

David Lewis Kitchen Trumbull 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).

  • Elastomeric yarn for safety applications
    Patent number: 11560647
    Abstract: The elastomeric yarn for safety applications discloses an elastomeric yarn that reliably breaks at 200% stretch and is therefore appropriate for use with a sacrificial textile. The elastomeric yarn for safety applications discloses the polyurethane segments, the copolymer segments, the necessary plurality of cross-links required to form a structure of a polyurethane based elastomeric yarn that reliably breaks at 200% stretch.
    Type: Grant
    Filed: May 5, 2019
    Date of Patent: January 24, 2023
    Inventors: David Lewis Kitchen Trumbull, James Boland Carson, Jr.