Patents by Inventor D. Keith Patrick

D. Keith Patrick 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).

  • Monolithic and bi-metallic turbine blade dampers and method of manufacture
    Patent number: 8267662
    Abstract: A method for manufacturing a turbine damper by a metal injection molding process is disclosed. The damper includes a base section and a wire section, and is formed of a nickel-base or cobalt base superalloy.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: September 18, 2012
    Assignee: General Electric Company
    Inventors: D. Keith Patrick, Randall Charles Bauer, Thomas Joseph Kelly
  • Bimaterial turbine blade damper
    Patent number: 7824158
    Abstract: A turbine blade damper includes an outer part for damping vibration of the blade airfoil and a supporting inner part. The two parts are formed of different materials for the different performance required thereof in the blade.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: November 2, 2010
    Assignee: General Electric Company
    Inventors: Randall Charles Bauer, D. Keith Patrick
  • MONOLITHIC AND BI-METALLIC TURBINE BLADE DAMPERS AND METHOD OF MANUFACTURE
    Publication number: 20100008778
    Abstract: A method for manufacturing a turbine damper by a metal injection molding process is disclosed. The damper includes a base section and a wire section, and is formed of a nickel-base or cobalt base superalloy.
    Type: Application
    Filed: December 13, 2007
    Publication date: January 14, 2010
    Inventors: D. Keith PATRICK, Randall Charles BAUER, Thomas Joseph KELLY
  • ROTOR BLADE
    Publication number: 20090097979
    Abstract: A rotor blade may include a tip shroud having at least one seal tooth disposed at an angle that may be relative to the engine centerline when in an assembled condition, the leading edge of the tip shroud and/or the trailing edge of the tip shroud.
    Type: Application
    Filed: July 31, 2007
    Publication date: April 16, 2009
    Inventors: Omer Duane Erdmann, D. Keith Patrick, Dustin Alfred Placke, John Peter Heyward, Francis Bobie
  • BIMATERIAL TURBINE BLADE DAMPER
    Publication number: 20080313899
    Abstract: A turbine blade damper includes an outer part for damping vibration of the blade airfoil and a supporting inner part. The two parts are formed of different materials for the different performance required thereof in the blade.
    Type: Application
    Filed: June 25, 2007
    Publication date: December 25, 2008
    Inventors: Randall Charles Bauer, D. Keith Patrick
  • METHOD FOR APPLYING A HIGH TEMPERATURE ANTI-FRETTING WEAR COATING
    Publication number: 20080066288
    Abstract: A method for applying a high temperature anti-fretting wear coating is disclosed. The method includes providing a gas turbine engine blade as a substrate in which the gas turbine engine blade has a mating surface for contacting a corresponding gas turbine engine component and applying a high temperature bond coat overlying the substrate using air plasma spraying, resulting in an inspectable, repairable turbine blade.
    Type: Application
    Filed: September 8, 2006
    Publication date: March 20, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: D. Keith Patrick, Jerry D. Schell, Michael J. Weimer
  • Substrate protected by superalloy bond coat system and microcracked thermal barrier coating
    Patent number: 7294413
    Abstract: A protected article includes a substrate having a surface, and a protective system overlying and contacting a first portion of the surface of the substrate. The protective system has a nickel-base superalloy bond coat, an aluminide layer overlying and contacting the bond coat, and a dense vertically microcracked ceramic thermal barrier coating overlying and contacting the aluminide layer.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: November 13, 2007
    Assignee: General Electric Company
    Inventors: Bangalore Aswatha Nagaraj, D. Keith Patrick, Thomas John Tomlinson, David Walter Parry
  • Method for coating a substrate
    Publication number: 20040124231
    Abstract: A method for coating a substrate is presented. The method comprises providing a substrate; attaching a preform to the substrate, the preform comprising braze alloy and wear-resistant particles; and bonding the preform to the substrate to form a wear-resistant coating.
    Type: Application
    Filed: September 17, 2003
    Publication date: July 1, 2004
    Inventors: Wayne Charles Hasz, David Edwin Budinger, Michael Beverley, D. Keith Patrick, Dennis Michael Gray