Patents by Inventor John Alan Cimbura, Sr.

John Alan Cimbura, Sr. 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).

  • Self monitoring oil pump seal
    Patent number: 5755372
    Abstract: A seal system for an oil well head, wherein the shaft rotates about its axis to drive a progressive cavity type pump. Primary and secondary polytetrafluoroethylene seals surround a sleeve that encircles the shaft. Pressure detectors connect to the space between the seals to detect leaks past the primary seal and signal a remote repair facility. The secondary seal assumes the sealing function while repairs are scheduled.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: May 26, 1998
    Assignee: Ocean Engineering & Manufacturing, Inc.
    Inventor: John Alan Cimbura, Sr.