Patents by Inventor Jason R. WALKER

Jason R. WALKER 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: 10604910
    Abstract: A rock claw for attaching to a corner of a demolition hammer, the rock claw including a first wall having a first inner side surface, a second wall having a second inner side surface joined to the first inner side surface along a first intersection, and a third wall having a third inner side surface. The third inner side surface is joined to the first inner side surface along a second intersection and the third inner side surface is joined to the second inner side surface along a third intersection.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: March 31, 2020
    Assignee: Caterpillar Inc.
    Inventors: Jason R. Walker, Jordan R. Beckhusen
  • Publication number: 20190338491
    Abstract: A rock claw for attaching to a corner of a demolition hammer, the rock claw including a first wall having a first inner side surface, a second wall having a second inner side surface joined to the first inner side surface along a first intersection, and a third wall having a third inner side surface. The third inner side surface is joined to the first inner side surface along a second intersection and the third inner side surface is joined to the second inner side surface along a third intersection.
    Type: Application
    Filed: May 7, 2018
    Publication date: November 7, 2019
    Applicant: Caterpillar Inc.
    Inventors: Jason R. Walker, Jordan R. Beckhusen
  • Patent number: 9010100
    Abstract: A seal assembly includes a seal carrier configured to be coupled to and rotate with a shaft. The seal carrier defines at least three annular recesses configured to receive annular seals. The seal assembly further includes at least three annular seals configured to provide a seal between the seal carrier and a non-rotating housing defining an inner surface having a circular cross-section. One of the at least three seals is received in each of the at least three annular recesses, and one of the at least three seals has a smaller cross-sectional area than a cross-sectional area of at least one of the other seals.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: April 21, 2015
    Assignee: Caterpillar Inc.
    Inventors: Jason R. Walker, Cody A. McIntyre, William M. McClure
  • Patent number: 8919510
    Abstract: A lock-up clutch assembly for a torque converter includes a clutch housing defining an annular clutch chamber, and an annular piston received in the clutch chamber and extending between the inner diameter and outer diameter of the clutch chamber. The piston defines inner and outer diameters associated respectively with the inner and outer diameters of the clutch chamber. The assembly further includes a backing plate received in the clutch chamber, and at least one annular friction disk and at least one annular friction plate received in the clutch chamber between the piston and the backing plate. The assembly further includes first and second seal members configured to provide respective fluid seals between the inner diameters of the piston and clutch chamber and between the outer diameters of the piston and clutch chamber.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: December 30, 2014
    Assignee: Caterpillar Inc.
    Inventor: Jason R. Walker
  • Publication number: 20130283774
    Abstract: A seal assembly includes a seal carrier configured to be coupled to and rotate with a shaft. The seal carrier defines at least three annular recesses configured to receive annular seals. The seal assembly further includes at least three annular seals configured to provide a seal between the seal carrier and a non-rotating housing defining an inner surface having a circular cross-section. One of the at least three seals is received in each of the at least three annular recesses, and one of the at least three seals has a smaller cross-sectional area than a cross-sectional area of at least one of the other seals.
    Type: Application
    Filed: April 30, 2012
    Publication date: October 31, 2013
    Inventors: Jason R. Walker, Cody A. McIntyre, William M. McClure
  • Publication number: 20130255242
    Abstract: An impeller for a torque converter includes a rotating housing portion, a blade portion configured to create fluid flow for pumping fluid to a turbine of the torque converter, and an impeller hub portion configured to couple the impeller to the torque converter and rotate about an output shaft of the torque converter. The impeller hub portion defines an inner surface having an annular recess, and at least one inlet passage and at least one outlet passage to provide flow paths for fluid entering and exiting the impeller. The torque converter further includes a wear member at least partially received in the annular recess, the annular wear member being formed from a ferrous material. The rotating housing portion, the blade portion, and the impeller hub portion are integrally formed as a single piece casting.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Inventor: Jason R. WALKER
  • Publication number: 20130256075
    Abstract: A lock-up clutch assembly for a torque converter includes a clutch housing defining an annular clutch chamber, and an annular piston received in the clutch chamber and extending between the inner diameter and outer diameter of the clutch chamber. The piston defines inner and outer diameters associated respectively with the inner and outer diameters of the clutch chamber. The assembly further includes a backing plate received in the clutch chamber, and at least one annular friction disk and at least one annular friction plate received in the clutch chamber between the piston and the backing plate. The assembly further includes first and second seal members configured to provide respective fluid seals between the inner diameters of the piston and clutch chamber and between the outer diameters of the piston and clutch chamber.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Inventor: Jason R. WALKER
  • Publication number: 20130256074
    Abstract: A turbine assembly for a torque converter includes a turbine wheel, including vanes configured to receive fluid flow and cause the turbine wheel to rotate. The turbine assembly further includes a turbine hub coupled to the turbine wheel, wherein the turbine hub is configured to transmit torque from the turbine wheel to an output shaft of the torque converter. The turbine hub and the turbine wheel are coupled to one another via a plurality of fasteners and a plurality of drive pins, such that relative circumferential displacement between the turbine hub and the turbine wheel is prevented.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 3, 2013
    Inventors: Jason R. Walker, Arthur J. Bland
  • Patent number: RE49552
    Abstract: A rock claw for attaching to a corner of a demolition hammer, the rock claw including a first wall having a first inner side surface, a second wall having a second inner side surface joined to the first inner side surface along a first intersection, and a third wall having a third inner side surface. The third inner side surface is joined to the first inner side surface along a second intersection and the third inner side surface is joined to the second inner side surface along a third intersection.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: June 13, 2023
    Assignee: Caterpillar Inc.
    Inventors: Jason R. Walker, Jordan R. Beckhusen