Patents by Inventor Albert Klamer

Albert Klamer 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).

  • Polished rod stuffing box with safety valve for a beam pumped production well
    Patent number: 4889184
    Abstract: A wellhead assembly for a beam pumped production well comprises a stuffing box for providing a seal around a polished rod of the beam pump assembly and a flapper type safety valve for sealing off the wellhead in case of polished rod failure. The safety valve comprises a wear plate which is pressed against the polished rod and means are provided for monitoring the amount of wear of the wear plate on the basis of the angular orientation of the safety valve relative to the stuffing box.
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: December 26, 1989
    Assignee: Shell Internationale Research
    Inventors: Lubbertus Lugtmeier, Albert Klamer