Patents by Inventor Gregory T. Naismith

Gregory T. Naismith 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).

  • Modular mold design for casting a vehicle frame and components
    Patent number: 11305340
    Abstract: A modular casting mold for casting an automotive component includes a plurality of die portions defining a mold cavity corresponding to an automotive component, at least one of the plurality of die portions is an active die portion adapted to control the temperature of the modular casting mold throughout the casting process and including features for ejecting an automotive component cast within the modular casting mold, and the modular casting mold adapted to be attached to another modular casting mold for casting a single automotive component.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 19, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: David D. Goettsch, Garrold A. DeGrace, Gregory T. Naismith, Madhusudhan Raju Nannapuraju, Anil K. Sachdev
  • MODULAR MOLD DESIGN FOR CASTING A VEHICLE FRAME AND COMPONENTS
    Publication number: 20220097127
    Abstract: A modular casting mold for casting an automotive component includes a plurality of die portions defining a mold cavity corresponding to an automotive component, at least one of the plurality of die portions is an active die portion adapted to control the temperature of the modular casting mold throughout the casting process and including features for ejecting an automotive component cast within the modular casting mold, and the modular casting mold adapted to be attached to another modular casting mold for casting a single automotive component.
    Type: Application
    Filed: September 29, 2020
    Publication date: March 31, 2022
    Inventors: David D. Goettsch, Garrold A. DeGrace, Gregory T. Naismith, Madhusudhan Raju Nannapuraju, Anil K. Sachdev
  • Cylinder liner for internal combustion engine
    Patent number: 10247129
    Abstract: A cylinder liner for an engine block that includes an inter-bore saw cut includes a first engine block bonding surface, and a second engine block bonding surface that has a lower level of bonding between the cylinder liner and an engine block than the first engine block bonding surface. The second engine block bonding surface extending from an axial end portion of the liner a distance greater than a depth of the saw cut in inter-bore section of the engine block.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: April 2, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Garrold A DeGrace, Maurice G Meyer, Paul Boone, Gregory T Naismith
  • CYLINDER LINER FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20180238263
    Abstract: A cylinder liner for an engine block that includes an inter-bore saw cut includes a first engine block bonding surface, and a second engine block bonding surface that has a lower level of bonding between the cylinder liner and an engine block than the first engine block bonding surface. The second engine block bonding surface extending from an axial end portion of the liner a distance greater than a depth of the saw cut in inter-bore section of the engine block.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 23, 2018
    Inventors: Garrold A. DeGrace, Maurice G. Meyer, Paul Boone, Gregory T. Naismith