Patents by Inventor Bert Muller

Bert Muller 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).

  • Endotracheal tube
    Patent number: 5725510
    Abstract: The invention concerns an endotracheal tube with a collar. In order to avoid as far as possible the danger of a pulmonary infection caused by microbes introduced along the tube, at least one device with an antimicrobial action is fitted at one or more points (12) on the outer surface of the tube. This device consists preferably of a piece of silver foil, vapor-deposited silver or a silver compound (silver salt), or may also be a length of tubing fitted in the tube.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: March 10, 1998
    Inventors: Michael Hartmann, Bert Muller