Patents by Inventor Roland K. Winger

Roland K. Winger 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).

  • Anti-clotting indwelling catheter
    Patent number: 9126011
    Abstract: A catheter for providing a blood flow includes a wall defining at least one lumen extending between a distal end and a proximal end. A distal end portion of the catheter is deformable to selectively open and close one or more ports in the wall to allow the blood flow into or out of the at least one lumen of the catheter.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: September 8, 2015
    Assignee: Merit Medical Systems, Inc.
    Inventors: Stephen R. Ash, Kenneth E. Brown, Roland K. Winger