Patents by Inventor Joseph Todd MACGILLIVARY

Joseph Todd MACGILLIVARY 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).

  • Perforating gun
    Patent number: 11136867
    Abstract: A perforating gun including a carrier having a longitudinal length, one or more energetic devices received within the carrier configured to produce one or more mechanical waves, and one or more wave manipulators disposed along the longitudinal length of the carrier. The one or more wave manipulators generate an altered wave in an opposite travel direction of one or more mechanical waves traveling along the longitudinal length of the carrier.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: October 5, 2021
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Richard Ellis Robey, Joseph Todd Macgillivary, Jason Paul Metzger
  • PERFORATING GUN
    Publication number: 20210032963
    Abstract: A perforating gun including a carrier having a longitudinal length, one or more energetic devices received within the carrier configured to produce one or more mechanical waves, and one or more wave manipulators disposed along the longitudinal length of the carrier. The one or more wave manipulators generate an altered wave in an opposite travel direction of one or more mechanical waves traveling along the longitudinal length of the carrier.
    Type: Application
    Filed: November 15, 2017
    Publication date: February 4, 2021
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Richard Ellis ROBEY, Joseph Todd MACGILLIVARY, Jason Paul METZGER