Patents by Inventor Patrick R. McCarthy

Patrick R. McCarthy 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).

  • Traveling relief valve
    Patent number: 11746619
    Abstract: A traveling relief valve for down-hole use in a well. In one embodiment, the traveling relief valve comprises a seat, a screw, a seal, a carrier, a spring, and a ported tube, where the traveling relief valve is configured to include a first flow interface between the seat and the carrier for flow when the well is producing, and a second flow interface between the seal and the carrier for back-flow in the well.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: September 5, 2023
    Assignee: Epic Lift Systems
    Inventors: Jason Williams, Daniel Brewer, Patrick R. McCarthy
  • FLOW RESTRICTOR METHOD AND APPARATUS
    Publication number: 20220349280
    Abstract: Described herein are embodiments of systems and apparatuses that include a manifold block. In an embodiment, the manifold block includes a production line flow path and a flow path from a wellhead to a lubricator. The manifold block further includes an insert region configured to receive a removable flow restrictor wherein the insert region is separate from the production line flow path and the flow path from the wellhead to the lubricator.
    Type: Application
    Filed: April 21, 2022
    Publication date: November 3, 2022
    Applicant: Epic Lift Systems
    Inventors: Daniel Brewer, Patrick R. McCarthy
  • TRAVELING RELIEF VALVE
    Publication number: 20220106857
    Abstract: A traveling relief valve for down-hole use in a well. In one embodiment, the traveling relief valve comprises a seat, a screw, a seal, a carrier, a spring, and a ported tube, where the traveling relief valve is configured to include a first flow interface between the seat and the carrier for flow when the well is producing, and a second flow interface between the seal and the carrier for back-flow in the well.
    Type: Application
    Filed: October 5, 2021
    Publication date: April 7, 2022
    Applicant: Epic Lift Systems
    Inventors: Jason Williams, Daniel Brewer, Patrick R. McCarthy