Patents by Inventor Erwin J. Klink

Erwin J. Klink 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).

  • Heart assist method and catheter
    Patent number: 3995617
    Abstract: Method and device for augmenting the action of an ailing heart having an incompetent aortic valve or incompetent left ventricle wherein blood is directly sucked from the left ventricle, while blocking flow to the aorta, and then upon reverse cycle, the blood removed is forced into the aorta, while blocking flow back into the left ventricle.
    Type: Grant
    Filed: May 31, 1972
    Date of Patent: December 7, 1976
    Inventors: David H. Watkins, Erwin J. Klink