Patents by Inventor John Langenbach

John Langenbach 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).

  • Valve for Transcutaneous Access to Existing Blood Vessel or Fistula
    Publication number: 20080228132
    Abstract: A valve for facilitating the introduction of fluids into or withdrawal of fluids from the vascular system of an animal, including a human animal, which connects to a natural or artificial blood vessel to allow access to blood in the vascular system without the need to additionally puncture the skin with needles. The valve will often be connected to a pre-installed fistula interconnecting natural blood vessels.
    Type: Application
    Filed: July 8, 2005
    Publication date: September 18, 2008
    Inventor: John Langenbach