Patents by Inventor G.A. Colton

G.A. Colton 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).

  • Side-mounted position indicator for flapper check valve
    Publication number: 20070095406
    Abstract: The present invention is a side-mounted position indicator for use with a flapper check valve. The fully adjustable indicator is located outside the valve body and is attached to an internal roller with o-ring seals. This roller has a tripper rod extending from itself with a round non-marring plastic ball on the end. The ball is held in contact with the valve flapper by way of a mechanical spring. An exterior flush port is provided to provide periodic cleaning of the internal mechanism.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 3, 2007
    Inventors: G.A. Colton, Richard Schweitzer
  • Anti-ulcer agents
    Patent number: 4457932
    Abstract: Disclosed is a method of using certain substituted 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one compounds, previously known as having antiallergy activity, for the treatment of peptic ulcer disease and other gastrointestinal diseases characterized by inflammation and necrosis.
    Type: Grant
    Filed: July 22, 1983
    Date of Patent: July 3, 1984
    Assignee: Bristol-Myers Company
    Inventors: Peter F. Juby, Thomas W. Hudyma, Douglas G. Colton