Patents by Inventor Carl Levin

Carl Levin 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: 5976170
    Abstract: An instrument for removing bowel blockage comprising a handle, and a probe element extending from the handle, the probe element being elongate, having a round or oval transverse cross-section, and having a rounded distal end, the handle being substantially imperforate, and the probe element being shaped to avoid injuring a patient, as by cutting. A method of safely removing bowel blockage comprises providing a probe element having a rounded distal end and rounded exterior and a handle at the proximal end of the probe element, inserting the distal end and at least some of the probe element into the rectum of a patient, and removing said probe element from the patient to permit evacuation of fecal matter through the anal canal.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: November 2, 1999
    Inventor: Carl Levin
  • Patent number: 4155659
    Abstract: 1.
    Type: Grant
    Filed: February 5, 1940
    Date of Patent: May 22, 1979
    Assignee: The United States of America as represented by The Secretary of the Navy
    Inventors: Edward S. Larson, Carl A. Levin, Rolf A. Thienemann