Patents by Inventor Colby Buckman

Colby Buckman 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).

  • Nozzle insert for dual mode fuel injector
    Patent number: 6886762
    Abstract: A nozzle insert that is capable of being irreversibly attached to a needle valve tube such that the resulting needle valve member can be used in a nested needle valve configuration for a dual mode fuel injector.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: May 3, 2005
    Assignee: Caterpillar Inc.
    Inventors: Joseph Angelino, Scott F. Shafer, Charles Bates, Jay E. Tomaseski, Clifford E. Cotton, III, Alan R. Stockner, Colby Buckman
  • Dual mode fuel injector with one piece needle valve member
    Patent number: 6843434
    Abstract: A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively by inner and outer needle value members. The homogenous charged nozzle outlet set is defined by an outer needle value member that is moveably positioned in an injector body, which defines the conventional nozzle outlet set. The inner needle valve member is positioned in the outer needle valve member. The outer needle valve member is a piece component that includes at least one external guide surface, an external value surface and an internal valve seat.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: January 18, 2005
    Assignee: Caterpillar Inc
    Inventors: Keith E. Lawrence, Michael H. Hinrichsen, Colby Buckman
  • Dual mode fuel injector with one piece needle valve member
    Publication number: 20040195385
    Abstract: A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively by inner and outer needle valve members. The homogenous charged nozzle outlet set is defined by an outer needle valve member that is moveably positioned in an injector body, which defines the conventional nozzle outlet set. The inner needle valve member is positioned in the outer needle valve member. The outer needle valve member is a one piece component that includes at least one external guide surface, an external valve surface and an internal valve seat.
    Type: Application
    Filed: February 28, 2003
    Publication date: October 7, 2004
    Inventors: Keith E. Lawrence, Michael H. Hinrichsen, Colby Buckman
  • Nozzle insert for dual mode fuel injector
    Publication number: 20030116660
    Abstract: A nozzle insert that is capable of being irreversibly attached to a needle valve tube such that the resulting needle valve member can be used in a nested needle valve configuration for a dual mode fuel injector.
    Type: Application
    Filed: December 20, 2001
    Publication date: June 26, 2003
    Applicant: Caterpillar, Inc.
    Inventors: Joseph Angelino, Scott F. Shafer, Charles Bates, Jay E. Tomaseski, Clifford E. Cotton, Alan R. Stockner, Colby Buckman