Patents by Inventor Derrel Thomas

Derrel Thomas 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).

  • Patent number: 11137111
    Abstract: A containment berm formed of a flexible, substantially impermeable polymer material defining a ground section with a plurality of sidewalls extending upward from the ground section. A plurality of hinges are positioned on an interior of the containment berm, with the hinges having first and second aims rotating on a pin, the first arm engaging a first sleeve on one of either the ground section or a sidewall, and the second arm engaging a second sleeve on the other of the ground section or the sidewall. The second sleeve is configured to allow the hinge to slide far enough away from the first sleeve to allow the first arm to disengage from the first sleeve.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: October 5, 2021
    Assignee: PacTec, Inc.
    Inventors: Michael Schilling, Mark Day, Troy Town, Derrel Thomas
  • Patent number: 10407233
    Abstract: A method of loading a flexible enclosure, and the flexible enclosure. The enclosure has a floor, a sealable port, and a top enclosure. The top enclosure has an opening that is sealingly closable with an airtight closure. The method includes the steps of selecting a parking location for the enclosure, and positioning the enclosure over the parking location. Equipment, such as a vehicle is loaded in the enclosure. The enclosure is sealed, and the internal atmosphere of the enclosure is modified, such as lowering the oxygen content of the interior atmosphere.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 10, 2019
    Assignee: Plank Road Technologies, LLC
    Inventors: Troy Town, Derrel Thomas, Jeffrey Garfinkle
  • Patent number: 9452880
    Abstract: A flexitank including a bladder and a series of straps positioned across the top of the bladder. The straps may be directly attached to the side or bottom of the flexitank, or may be encircling straps.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: September 27, 2016
    Assignee: PacTec, Inc.
    Inventors: Derrel Thomas, Michael Schilling
  • Publication number: 20140133951
    Abstract: A flexitank including a bladder and a series of straps positioned across the top of the bladder. The straps may be directly attached to the side or bottom of the flexitank, or may be encircling straps.
    Type: Application
    Filed: November 7, 2013
    Publication date: May 15, 2014
    Applicant: PacTec, Inc.
    Inventors: Derrel Thomas, Michael Schilling