Patents by Inventor Louis Hartke

Louis Hartke 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: 20230026446
    Abstract: Mainframes for a self-propelled machine are disclosed. The mainframe includes first and second pockets that extend from the front end to the rear end of the mainframe. A hydraulic reservoir housing extends from the first side to the second side of the mainframe. The hydraulic reservoir housing is disposed between the front end of the mainframe and first and second drive openings.
    Type: Application
    Filed: October 7, 2022
    Publication date: January 26, 2023
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Patent number: 11465891
    Abstract: Loader apparatus configured for standing operator control are disclosed. The loader apparatus may include a loader adapted to carry a tool that is moveable between a down position and a vertically raised position. One or more linkages are connected to the first side of the loader support and connected to the loader. The apparatus includes a control station having operator controls for propelling the loader apparatus forward and for raising and lowering the loader. The apparatus includes an operator platform for standing operation of the operator controls of the control station.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: October 11, 2022
    Assignee: VERMEER MANUFACTURING COMPANY
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Publication number: 20210362990
    Abstract: Compact tool carriers having a loader mounted to a low-profile mainframe are disclosed. In some embodiments, the pivot points of the mainframe about which the loader is pivoted are low relative to the mainframe to reduce the mainframe size.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Publication number: 20190169006
    Abstract: Mainframes for a self-propelled machine are disclosed. The mainframe includes first and second pockets that extend from the front end to the rear end of the mainframe. A hydraulic reservoir housing extends from the first side to the second side of the mainframe. The hydraulic reservoir housing is disposed between the front end of the mainframe and first and second drive openings.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 6, 2019
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Patent number: 10202266
    Abstract: Compact tool carriers having a loader mounted to a low-profile mainframe are disclosed. In some embodiments, the pivot points of the mainframe about which the loader is pivoted are low relative to the mainframe to reduce the mainframe size and to lower the center of gravity to improve the stability of the compact tool carrier during use.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: February 12, 2019
    Assignee: Vermeer Manufacturing Company
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Patent number: 9975750
    Abstract: Compact tool carriers having a loader mounted to a low-profile mainframe are disclosed. In some embodiments, the pivot points of the mainframe about which the loader is pivoted are low relative to the mainframe to reduce the mainframe size and to lower the center of gravity to improve the stability of the compact tool carrier during use.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: May 22, 2018
    Assignee: Vermeer Manufacturing Company
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Publication number: 20180009642
    Abstract: Compact tool carriers having a loader mounted to a low-profile mainframe are disclosed. In some embodiments, the pivot points of the mainframe about which the loader is pivoted are low relative to the mainframe to reduce the mainframe size and to lower the center of gravity to improve the stability of the compact tool carrier during use.
    Type: Application
    Filed: September 14, 2017
    Publication date: January 11, 2018
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Publication number: 20160244308
    Abstract: Compact tool carriers having a loader mounted to a low-profile mainframe are disclosed. In some embodiments, the pivot points of the mainframe about which the loader is pivoted are low relative to the mainframe to reduce the mainframe size.
    Type: Application
    Filed: March 7, 2016
    Publication date: August 25, 2016
    Applicant: Vermeer Manufacturing Company
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson
  • Patent number: 9321386
    Abstract: Compact tool carriers having a loader mounted to a low-profile mainframe are disclosed. In some embodiments, the pivot points of the mainframe about which the loader is pivoted are low relative to the mainframe to reduce the mainframe size and to lower the center of gravity to improve the stability of the compact tool carrier during use.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: April 26, 2016
    Assignee: Vermeer Manufacturing Company
    Inventors: Brad Thomas, Louis Hartke, Greg Langenfeld, Matt Hutchinson