Patents by Inventor Federico Dalinger

Federico Dalinger 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).

  • Publication number: 20210285302
    Abstract: A tool for installing and/or extracting a VR plug in a wellhead within a cellar or other cramped space. The tool includes a lubricator having an internal rod, a tubular housing, an elbow or angled joint, and a flexible cable having a connector to grip and release the VR plug. The lubricator drives the cable through the housing and valves to the position where the VR plug will be installed/extracted. Rotating the internal rod of the lubricator threads or unthreads the VR plug to or from the wellhead, respectively.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Federico Dalinger, Hernan Costabel