Patents by Inventor Thomas Marshall Congdon

Thomas Marshall Congdon 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).

  • Publication number: 20200157938
    Abstract: A cutter bit for a work tool on a machine includes a leading end, conical-shaped tip portion, a rearward, frustoconical-shaped tip portion extending axially rearwardly from the leading end, conical-shaped tip portion, an annular ledge extending radially outwardly from a trailing edge of the rearward, frustoconical-shaped tip portion, a frustoconical-shaped body portion extending axially rearwardly from an outer circumferential edge of the annular ledge, a cylindrical collar portion extending axially rearwardly from a trailing edge of the frustoconical-shaped body portion, and a trailing end, cylindrical-shaped shank portion extending axially rearwardly from the cylindrical collar portion. The cutter bit may also include a plurality of circumferentially-spaced ribs projecting radially outwardly from an outer peripheral surface of at least one of the leading end, conical-shaped tip portion, the rearward, frustoconical-shaped tip portion, or the frustoconical-shaped body portion.
    Type: Application
    Filed: November 15, 2018
    Publication date: May 21, 2020
    Applicant: CATERPILLAR INC.
    Inventors: Thomas Marshall CONGDON, David Bruno PARZYNSKI, JR., Nathan R. BJERKE
  • Publication number: 20200141086
    Abstract: A blade assembly includes an adapter board including a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores. A plurality of bushings are disposed in a corresponding one of the plurality of shank receiving bores.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 7, 2020
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon, Tobias James Toennies
  • Publication number: 20200141092
    Abstract: A tool bit is disclosed. The tool bit includes a working portion at a distal end of the tool bit, a threaded portion at a proximal end of the tool bit, a shank extending along a longitudinal axis of the tool bit between the working portion and the threaded portion, and an anti-rotation receiving hole located on the threaded portion. The anti-rotation receiving hole extends through the threaded portion transverse to the longitudinal axis. The threaded portion of the tool bit is configured to engage with threads of a nut, and the anti-rotation receiving hole is configured to receive a pin inserted through the nut.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 7, 2020
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
  • Publication number: 20190360170
    Abstract: An adapter board for use with a blade assembly includes a lower tool bit attachment portion, terminating in a lower adapter board free end, the lower adapter board free end defining a bottom surface defining a plurality of shank receiving bores and a plurality of pry slots. Each one of the plurality of pry slots is disposed adjacent at least one of the plurality of shank receiving bores.
    Type: Application
    Filed: May 25, 2018
    Publication date: November 28, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
  • Patent number: 10458100
    Abstract: A shim for use with a wear member comprises a body that defines a first aperture that includes a closed end and an open end, wherein the first aperture is defined by at least three surfaces including two side surfaces and at least one surface that defines the closed end and that further defines a surface normal that points toward the open end, and a second aperture that includes a closed end and an open end, wherein the second aperture is defined by at least three surfaces including two side surfaces and at least one surface that defines the closed end and that further defines a surface normal that points toward the open end. The surface normal of the first aperture forms an angle with the surface normal of the second aperture that is greater than zero degrees.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: October 29, 2019
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon
  • Publication number: 20190316328
    Abstract: An orientation plate comprises a rectangular body defining a top surface, a bottom surface, a front surface, a back surface, a first end surface, a second end surface, and a thickness that is the minimum dimension of the body, and a plurality of apertures extending through the thickness of the body, each aperture defining a perimeter having at least one orientation flat.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
  • Publication number: 20190316320
    Abstract: A wear member comprises a shank portion defining a longitudinal axis, a free end and a perimeter, at least one flat surface on the perimeter extending to the free end and a cross-hole defining a cross-hole axis along which the cross-hole extends through the at least one flat surface perpendicularly, and a wear portion extending downwardly axially from the shank portion, the wear portion including a polygonal configuration.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon
  • Publication number: 20190316325
    Abstract: A tool bit comprises a shank portion defining a longitudinal axis; and a working portion. The working portion includes at least a first arcuate surface disposed longitudinally adjacent the shank portion.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
  • Publication number: 20190316319
    Abstract: A blade assembly comprises a moldboard defining an upper moldboard free end and a lower moldboard free end, the lower moldboard free end defining a lower curved mounting surface, and an adapter board defining an upper adapter board attachment portion, and a lower tool bit attachment portion. The upper adapter board attachment portion may include a first peak surface and a second peak surface, the first peak surface and the second peak surface forming a first valley therebetween and being configured to contact the lower curved mounting surface.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon, Susan Marie Graham
  • Publication number: 20190316327
    Abstract: A tool bit comprises a shank portion defining a longitudinal axis, and a working portion extending downwardly axially from the shank portion. The working portion includes a rear region, a front working region, a first side region and a second side region, and the first side region and the second side region define an angle of extension measured in a plane perpendicular to the longitudinal axis, forming a wider front working region than the rear region in a plane perpendicular to the longitudinal axis.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, JR., Thomas Marshall Congdon
  • Publication number: 20190316326
    Abstract: A tool bit comprises a shank portion including a cylindrical configuration defining a longitudinal axis, a radial direction, and a circumferential direction, and a working portion including a cylindrical configuration that is concentric with the shank portion and a flat bottom surface.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 17, 2019
    Applicant: Caterpillar Inc.
    Inventors: David Bruno Parzynski, Jr., Thomas Marshall Congdon
  • Publication number: 20190301129
    Abstract: A wear member includes a rear mounting region having a shelf forming a bottom surface and a rear surface or a plurality of mounting pads with at least one recess disposed at least partially on at least one of the plurality of the mounting pads.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 3, 2019
    Applicant: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon
  • Publication number: 20190177954
    Abstract: A cutting edge component for a work tool on an earth-moving machine may include a longitudinally-extending wear component and a support surface connectable to a moldboard of the earth-moving machine. The wear component may include at least one wear portion connected to the support surface, and the at least one wear portion may form at least one ground engaging edge. The at least one wear portion may include a mild steel body and a plurality of longitudinally-spaced white cast iron teeth vacuum brazed along a distal, ground engaging edge of the mild steel body.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 13, 2019
    Applicant: CATERPILLAR INC.
    Inventors: Thomas Marshall CONGDON, Nathan BJERKE
  • Patent number: 10249060
    Abstract: A tool erosion detecting system for a machine having a ground engaging tool is disclosed. The tool erosion detecting system may include a camera configured to generate a first image of the ground engaging tool on a display device, an input device configured to receive a user input, and a controller in communication with the camera and the input device. The controller may be configured to generate an augmented reality view of the ground engaging tool. The augmented reality view may include the first image of the ground engaging tool generated by the camera and a second image of a ground engaging tool superimposed on the first image and being associated with a selected wear level, wherein the selected wear level is based on the user input.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: April 2, 2019
    Assignee: Caterpillar Inc.
    Inventors: James Edward Wagner, Patrick Simon Campomanes, Brian Charles Brown, Drew Steven Solorio, John M. Plouzek, David Jason Mcintyre, Paul Davis Jackson, Jr., Phillip John Kunz, Thomas Marshall Congdon, Shadi Naji Kfouf
  • Patent number: D846002
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 16, 2019
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon
  • Patent number: D867404
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: November 19, 2019
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon
  • Patent number: D873306
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: January 21, 2020
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
  • Patent number: D882644
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: April 28, 2020
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
  • Patent number: D882645
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: April 28, 2020
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon, Samuel August Buckholz
  • Patent number: D882646
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 28, 2020
    Assignee: Caterpillar Inc.
    Inventors: Nathan Bjerke, Thomas Marshall Congdon