Patents by Inventor Patrick DUNPHY

Patrick DUNPHY 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).

  • Publication number: 20250304859
    Abstract: A method for pyrolysing plastic material. The method comprises the steps of: heating and densifying plastic material; transporting the plastic material to one or more reactors; and pyrolysing the plastic material in the one or more reactors. The plastic material is maintained in a heated state during the transporting step. A system for pyrolysing plastic material is also provided.
    Type: Application
    Filed: June 11, 2025
    Publication date: October 2, 2025
    Inventors: Patrick Dunphy, Christopher Strivens, Andres Yabrudy, David McNamara
  • Patent number: 12378476
    Abstract: A method for pyrolysing plastic material. The method comprises the steps of: heating and densifying plastic material; transporting the plastic material to one or more reactors; and pyrolysing the plastic material in the one or more reactors. The plastic material is maintained in a heated state during the transporting step. A system for pyrolysing plastic material is also provided.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 5, 2025
    Assignee: Plastic Energy Limited
    Inventors: Patrick Dunphy, Christopher Strivens, Andres Yabrudy, David McNamara
  • Publication number: 20240384173
    Abstract: The present invention relates to the processing of waste plastics (end-of-life plastic) to obtain hydrocarbons for the production of fuel or further plastics. A method of controlling a process for pyrolysis, comprising: charging a reactor vessel with plastic material: processing the plastics material by: heating the reactor vessel to pyrolyse the plastics material: driving an agitator within the reactor vessel to mix the material in the reactor vessel: and receiving hydrocarbon vapour from the reactor vessel: monitoring one or more parameter(s) consisting of: the agitator load: and/or a plurality of temperatures at a plurality of different heights within the reactor vessel: and/or the temperature of vapour received from the reactor vessel: and in response to the monitored parameter(s): modifying the heating and/or driving: and/or concluding the processing.
    Type: Application
    Filed: August 9, 2022
    Publication date: November 21, 2024
    Inventors: David McNamara, Christopher Strivens, Andres Yabrudy, Juan Silva Perez, Patrick Dunphy
  • Patent number: 11708534
    Abstract: A reactor assembly is provided for heating plastic material. The reactor assembly includes: a reactor vessel including a central axis; and an agitator mounted within the reactor vessel. The agitator includes: one or more blade(s) distal from the central axis for mixing contents of the reactor vessel in use; and one or more wearing parts mounted to the blade(s) to extend from the blade(s).
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: July 25, 2023
    Assignee: Plastic Energy Limited
    Inventors: David McNamara, Christopher Strivens, Andres Yabrudy, Patrick Dunphy
  • Publication number: 20230020918
    Abstract: A method for pyrolysing plastic material. The method comprises the steps of: heating and densifying plastic material; transporting the plastic material to one or more reactors; and pyrolysing the plastic material in the one or more reactors. The plastic material is maintained in a heated state during the transporting step. A system for pyrolysing plastic material is also provided.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 19, 2023
    Applicant: Plastic Energy Limited
    Inventors: Patrick DUNPHY, Christopher STRIVENS, Andres YABRUDY, David McNamara
  • Publication number: 20210371753
    Abstract: A reactor assembly is provided for heating plastic material. The reactor assembly includes: a reactor vessel including a central axis; and an agitator mounted within the reactor vessel. The agitator includes: one or more blade(s) distal from the central axis for mixing contents of the reactor vessel in use; and one or more wearing parts mounted to the blade(s) to extend from the blade(s).
    Type: Application
    Filed: September 26, 2019
    Publication date: December 2, 2021
    Applicant: Plastic Energy Limited
    Inventors: David McNAMARA, Christopher STRIVENS, Andres YABRUDY, Patrick DUNPHY