Patents by Inventor Christopher David Derham

Christopher David Derham 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).

  • Patent number: 12113228
    Abstract: A housing includes a plurality of subassemblies. At least one subassembly of the plurality of subassemblies includes a lower structure extending in a first direction and configured to support one or more batteries, an upper structure extending in the first direction and spaced apart from the lower structure by a vertical distance, and one or more vertical posts attached to the lower structure, the one or more vertical posts connecting the lower structure with the upper structure. The housing further includes a plurality of intermediate panels located between the one or more vertical posts, the plurality of intermediate panels extending in a vertical direction between the lower structure and the upper structure, wherein a battery of the one or more batteries is attached to the lower structure and at least two intermediate panels of the plurality of intermediate panels. The housing also includes a lateral brace attached to and connecting the multiple subassemblies.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: October 8, 2024
    Assignee: Caterpillar Inc.
    Inventors: John M. Tanner, Craig P. Hittle, Christopher David Derham, Bradley R. Sparks
  • Publication number: 20220255173
    Abstract: A housing includes a plurality of subassemblies. At least one subassembly of the plurality of subassemblies includes a lower structure extending in a first direction and configured to support one or more batteries, an upper structure extending in the first direction and spaced apart from the lower structure by a vertical distance, and one or more vertical posts attached to the lower structure, the one or more vertical posts connecting the lower structure with the upper structure. The housing further includes a plurality of intermediate panels located between the one or more vertical posts, the plurality of intermediate panels extending in a vertical direction between the lower structure and the upper structure, wherein a battery of the one or more batteries is attached to the lower structure and at least two intermediate panels of the plurality of intermediate panels. The housing also includes a lateral brace attached to and connecting the multiple subassemblies.
    Type: Application
    Filed: February 5, 2021
    Publication date: August 11, 2022
    Applicant: Caterpillar Inc.
    Inventors: John M. Tanner, Craig P. Hittle, Christopher David Derham, Bradley R. Sparks
  • Publication number: 20150360731
    Abstract: The disclosure describes, in one aspect, a powered guard group for a machine, the guard group including a frame, a linkage, two doors, an actuator cylinder, and a cam disc mechanism with two actuator arms for moving the guard group between an open position and a closed position and the ways to access them.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 17, 2015
    Inventors: Prabhakar Gopalsamy, Robert A. Jackson, Christopher David Derham, Morris Fee
  • Publication number: 20140332292
    Abstract: The disclosure describes, in one aspect, a powered guard group for a machine, the guard group including a frame, a linkage, a door, and an actuator for moving the guard group between an open position and a closed position.
    Type: Application
    Filed: June 3, 2013
    Publication date: November 13, 2014
    Inventors: Prabhakar Gopalsamy, Robert A. Jackson, Christopher David Derham, Sarrah Jackson
  • Patent number: D1078459
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: June 10, 2025
    Assignee: CATERPILLAR INC.
    Inventors: John Michael Tanner, Craig P. Hittle, Christopher David Derham, Bradley Ryan Sparks