Patents by Inventor Joshua Cormier

Joshua Cormier 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).

  • Liner top test tool
    Patent number: 11371337
    Abstract: Disclosed is a liner top test tool with a scraper cartridge and seal back-up rings for testing casing integrity in a wellbore. The seal back-up rings are comprised of first and second ring elements that are biased apart by compression springs. The first ring element has a boss that inserts into a bore of the second ring element, blocking debris from flowing into the interior of the seal back-up ring.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: June 28, 2022
    Assignee: Wellbore Specialties, LLC
    Inventors: Jacob Boutin, Eric Marchand, Wilbert Dean, Joshua Cormier
  • Improved Liner Top Test Tool
    Publication number: 20200199997
    Abstract: Disclosed is a liner top test tool with a scraper cartridge and seal back-up rings for testing casing integrity in a wellbore. The seal back-up rings are comprised of first and second ring elements that are biased apart by compression springs. The first ring element has a boss that inserts into a bore of the second ring element, blocking debris from flowing into the interior of the seal back-up ring.
    Type: Application
    Filed: May 21, 2018
    Publication date: June 25, 2020
    Applicant: Wellbore Specialties, LLC
    Inventors: Jacob Boutin, Eric Marchand, Wilbert Dean, Joshua Cormier