Patents by Inventor Cory Glenn Pargmann

Cory Glenn Pargmann 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).

  • Device for opening and closing pig trap doors
    Patent number: 9052049
    Abstract: A disclosed pig trap door device serves as a tool for opening and/or closing a pig trap door of a pipeline. The pig trap door device may be fixed to a hinge portion of the pig trap door at a hinge attachment and may also be movably coupled to the pig trap door with a force actuator at a door attachment. Operation of the force actuator causes the door attachment to rotate the pig trap door with sufficient torque to seal and/or remove the pig trap door.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: June 9, 2015
    Assignee: SPECTRA ENERGY CORP
    Inventor: Cory Glenn Pargmann
  • DEVICE FOR OPENING AND CLOSING PIG TRAP DOORS
    Publication number: 20120234422
    Abstract: A disclosed pig trap door device serves as a tool for opening and/or closing a pig trap door of a pipeline. The pig trap door device may be fixed to a hinge portion of the pig trap door at a hinge attachment and may also be movably coupled to the pig trap door with a force actuator at a door attachment. Operation of the force actuator causes the door attachment to rotate the pig trap door with sufficient torque to seal and/or remove the pig trap door.
    Type: Application
    Filed: March 14, 2012
    Publication date: September 20, 2012
    Applicant: SPECTRA ENERGY CORP
    Inventor: Cory Glenn Pargmann