Patents by Inventor Michael W. HAWS

Michael W. HAWS 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: 11773563
    Abstract: A dipper handle includes a dipper tube, a dipper engagement member, and an intermediate member between the dipper tube and the dipper engagement member. The dipper tube has a substantially cylindrical outer surface and a contoured inner surface. The contoured inner surface results in multiple wall thicknesses for the dipper tube, including a first thickness proximate a first end and a second, larger thickness, proximate a second end. The second end is configured for coupling to the intermediate member.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: October 3, 2023
    Assignee: Caterpillar Global Mining LLC
    Inventors: Adam J. Thomas, Michael W. Haws, Aruna Kinjarapu, Cristian Zaharia, Vladimir A. Korchagin
  • Patent number: 11753791
    Abstract: A dipper handle assembly includes a tube coupled to a yoke. The yoke has a collar extending along a collar axis, a transition portion, a first arm and a second arm. The transition portion includes a distal end having first and second lateral sections and first and second transverse sections. The first and second lateral sections and the first and second transverse sections all lie in a virtual transition portion distal end plane, and the virtual transition portion distal end plane intersects the collar axis at an oblique angle.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: September 12, 2023
    Assignee: Caterpillar Global Mining LLC
    Inventors: Cristian Zaharia, Michael W. Haws, Aruna Kinjarapu, Vladimir A. Korchagin, James G. Jamilosa
  • Patent number: 11708250
    Abstract: A retention system for a line on a spool is disclosed. The retention system may include a base component that includes a retention receiving element within a line-side surface of the base component. The retention system may include a line engagement component that includes an engagement surface, wherein the engagement surface includes a portion that is perpendicular to the base component to engage a line, wherein the engagement surface abuts the line-side surface. The retention system may include a removable retention component that is configured to retain the line between the engagement surface and the removable retention component when the removable retention component is installed within the retention receiving element.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: July 25, 2023
    Assignee: Caterpillar Inc.
    Inventors: Joseph Jeffery Every, Theran Douglas Frederick, Mozamel Elkurdi, Michael W. Haws
  • Publication number: 20230193583
    Abstract: A dipper handle assembly includes a tube coupled to a yoke. The yoke has a collar extending along a collar axis, a transition portion, a first arm and a second arm. The transition portion includes a distal end having first and second lateral sections and first and second transverse sections. The first and second lateral sections and the first and second transverse sections all lie in a virtual transition portion distal end plane, and the virtual transition portion distal end plane intersects the collar axis at an oblique angle.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 22, 2023
    Applicant: Caterpillar Global Mining LLC
    Inventors: Cristian ZAHARIA, Michael W. HAWS, Aruna KINJARAPU, Vladimir A. KORCHAGIN, James G. JAMILOSA
  • Publication number: 20230193584
    Abstract: A yoke of a dipper handle comprises a collar and a crowd pin aperture extending along a crowd pin aperture axis. First and second arms of the yoke include dipper pin lug apertures aligned along a dipper pin aperture axis parallel to the crowd pin aperture axis. The first and second arms of the yoke further include first and second pitch brace lug apertures aligned along a pitch brace aperture axis parallel to the crowd pin aperture axis. A first virtual reference line extends between the crowd pin aperture axis and the dipper pin aperture axis, while a second virtual reference line extends between the crowd pin aperture axis and the pitch brace aperture axis. An included angle ? between the first virtual reference line and the second virtual reference line is between approximately 25 to approximately 51 degrees.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 22, 2023
    Applicant: Caterpillar Global Mining LLC
    Inventors: Cristian ZAHARIA, Michael W. HAWS, Aruna KINJARAPU, Vladimir A. KORCHAGIN, James G. JAMILOSA
  • Publication number: 20230056316
    Abstract: A dipper handle includes a dipper tube, a dipper engagement member, and an intermediate member between the dipper tube and the dipper engagement member. The dipper tube has a substantially cylindrical outer surface and a contoured inner surface. The contoured inner surface results in multiple wall thicknesses for the dipper tube, including a first thickness proximate a first end and a second, larger thickness, proximate a second end. The second end is configured for coupling to the intermediate member.
    Type: Application
    Filed: August 19, 2021
    Publication date: February 23, 2023
    Applicant: Caterpillar Global Mining LLC
    Inventors: Adam J. Thomas, Michael W. Haws, Aruna Kinjarapu, Cristian Zaharia, Vladimir A. Korchagin
  • Publication number: 20220348274
    Abstract: A track slider mounting plate kit includes a first shark fin configured mounting plate including a first bottom mounting surface, a first beveled surface extending from the first bottom mounting surface, and a second beveled surface that extends from the first beveled surface, forming a first oblique angle with the second beveled surface. A track slider is attached to the first shark fin configured mounting plate that has a top surface extending from the rear surface toward the front surface defining a top surface radius of curvature ranging from 2200 mm to 2600 mm.
    Type: Application
    Filed: April 29, 2021
    Publication date: November 3, 2022
    Applicant: Caterpillar Global Mining Equipment LLC
    Inventors: Cristian Zaharia, Elizabeth J. Barnes, Michael W. Haws, Mircea Dumitru, Aruna Kinjarapu
  • Publication number: 20220348273
    Abstract: A transition track slider has a hollow body including a first side surface, a second side surface, a bottom surface at least partially interposed between the first side surface and the second side surface, and that also defines a cavity. A front surface with a bullet nose configuration connects the first side surface to the second side surface, and to the bottom surface, while a rear surface connects the first side surface to the second side surface, and to the bottom surface. A top surface extends from the rear surface toward the front surface.
    Type: Application
    Filed: April 29, 2021
    Publication date: November 3, 2022
    Applicant: Caterpillar Global Mining Equipment LLC
    Inventors: Cristian Zaharia, Elizabeth J. Barnes, Michael W. Haws, Mircea Dumitru, Aruna Kinjarapu
  • Publication number: 20210221660
    Abstract: A retention system for a line on a spool is disclosed. The retention system may include a base component that includes a retention receiving element within a line-side surface of the base component. The retention system may include a line engagement component that includes an engagement surface, wherein the engagement surface includes a portion that is perpendicular to the base component to engage a line, wherein the engagement surface abuts the line-side surface. The retention system may include a removable retention component that is configured to retain the line between the engagement surface and the removable retention component when the removable retention component is installed within the retention receiving element.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 22, 2021
    Applicant: Caterpillar Inc.
    Inventors: Joseph Jeffery EVERY, Theran Douglas FREDERICK, Mozamel ELKURDI, Michael W. HAWS