Patents by Inventor Gregory David Scofield

Gregory David Scofield 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).

  • Siphon delivery method for consistent melt infiltration
    Patent number: 11607725
    Abstract: A method for delivering a flowable material into a mold or to infiltrate a preformed component, a fiber preform, or a green body includes: providing a crucible having a body configured as a reservoir to hold the flowable material; adding a metal, a metal alloy, or combination thereof into the body of the crucible, the metal or metal alloy having a predetermined melting point; heating the crucible with the metal or metal alloy contained therein to a temperature that is at or above the melting point of the metal or metal alloy; allowing the metal or metal alloy to melt to form the flowable material; and creating a siphon such that the molten metal or metal alloy flows from the body of the crucible to infiltrate the preformed component or to fill the mold.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: March 21, 2023
    Assignee: ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC.
    Inventor: Gregory David Scofield
  • SIPHON DELIVERY METHOD FOR CONSISTENT MELT INFILTRATION
    Publication number: 20210213521
    Abstract: A method for delivering a flowable material into a mold or to infiltrate a preformed component, a fiber preform, or a green body includes: providing a crucible having a body configured as a reservoir to hold the flowable material; adding a metal, a metal alloy, or combination thereof into the body of the crucible, the metal or metal alloy having a predetermined melting point; heating the crucible with the metal or metal alloy contained therein to a temperature that is at or above the melting point of the metal or metal alloy; allowing the metal or metal alloy to melt to form the flowable material; and creating a siphon such that the molten metal or metal alloy flows from the body of the crucible to infiltrate the preformed component or to fill the mold.
    Type: Application
    Filed: November 20, 2020
    Publication date: July 15, 2021
    Inventor: Gregory David Scofield