Patents by Inventor Bror I. Forsell

Bror I. Forsell 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).

  • Closing cap on well casings in well openings
    Patent number: 4202376
    Abstract: A cap intended to close the upper end of a well casing arranged in a well opening. The closing cap is provided with upright sleeves for passage therethrough of tubes, pipes, and the like from the well pump. An annular shoulder is formed on the internal wall of the cap, allowing the cap to be mounted in a sealing position on well casings with different dimensions. Tapering sections on the upper edges of the sleeves provide for automatic sealing-off of the sleeves around its associated tube etc.
    Type: Grant
    Filed: September 13, 1978
    Date of Patent: May 13, 1980
    Assignee: RP Rorprodukter AB
    Inventor: Bror I. Forsell