Patents by Inventor Paul B. O'Connell

Paul B. O'Connell 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).

  • Fiber optic liquid level sensor
    Patent number: 4069838
    Abstract: A liquid level sensor for use when filling containers with hydrocarbons or other liquids is disclosed. A fiber optic bundle is arranged to form a flow path for a light beam in such a manner that the flow path is interrupted when the liquid level reaches a predetermined part of the flow path. The fiber optic bundle can be arranged to sense the liquid level when it approaches and reaches a predetermined height and can be connected to a loading control system in order to automatically control the filling of a tank.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: January 24, 1978
    Assignee: Sun Oil Company of Pennsylvania
    Inventors: William B. Hansel, Paul B. O'Connell