Patents by Inventor Douglas Tourville

Douglas Tourville 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).

  • Catheter comprising PTFE liner
    Patent number: 10744231
    Abstract: The present disclosure provides catheters comprising polytetrafluoroethylene (PTFE) tubes with advantageous combinations of strength, flexibility, and size. Such tubes can exhibit features including an average wall thickness of 0.001? or less, a tensile stress at break of greater than 5000 psi, and a storage modulus of less than 100,000 psi at 37° C. These tubes can be also be provided independently (i.e., not within a catheter) and can be employed in various applications.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: August 18, 2020
    Assignee: Zeus Industrial Products, Inc.
    Inventors: Zahidul Wahab, Guillermo Alpizar, Patrick Cooper, Jeffrey M. Cox, Laurence C. Gonzalez, Daniel Green, Edward Rast, Bernard Salvador, Ravinder Singh, Douglas Tourville, Franklin Villagra