Patents by Inventor Tim Griffin

Tim Griffin 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).

  • Subsurface wellbore wiper deployment system and method of use
    Patent number: 10844692
    Abstract: A subsurface wellbore wiper deployment system includes a plug having an elongated body with an exterior surface; one or more exposed wipers extending away from the exterior surface; and one or more hidden wipers secured to the exterior surface and positioned underneath a removable sleeve; and a landing collar having a landing seat extending into an interior of the landing collar; the removable sleeve is to engage with the landing seat upon deployment of the plug; and the landing collar removes the removable sleeve to expose the one or more hidden wipers.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 24, 2020
    Inventors: Tim Griffin, Henry E. Rogers, Gary Joe Makowiecki