Patents by Inventor Osmaly Osorio

Osmaly Osorio 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 protection and sealing device
    Patent number: 5257812
    Abstract: A reciprocable polished rod projects through a housing and a stuffing box downstream of the housing. A plurality of packings are provided in the upper portion of the housing and contacting the rod preventing fluid leakage from the housing. A retainer holds the packings in place and adjustable pressure is exerted on the retainer and on the packings.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: November 2, 1993
    Assignee: Corpoven, S.A.
    Inventors: Osmaly Osorio, Arcangel Hernandez