Patents by Inventor Elmar M. Veltrup

Elmar M. Veltrup 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).

  • Patent number: 4690672
    Abstract: A catheter for removing obstructions in a patient has a suction duct connected to a suction pump and with which a pressure duct is associated terminating at a nozzle head of the mouth of the suction duct so that a jet of pressure liquid can be directed into the mouth of the suction duct and against a body held in the mouth via suction applied to the suction duct.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: September 1, 1987
    Inventor: Elmar M. Veltrup