Patents by Inventor Steven Grunlund

Steven Grunlund 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: 20230203769
    Abstract: A cold weather surface maintenance vehicle can include a housing at least partially surrounding an engine and defining at least one vent oriented to emit air from within the housing toward a user positioned on the user support structure. A controller of a maintenance vehicle can restrict or reduce a speed of an engine in response to temperature, operation of a hydraulic attachment, or operator position. A controller of a maintenance vehicle can control operation of a dispensing mechanism of a flowable material distribution device with the controller based on a position of a traction control of the maintenance vehicle.
    Type: Application
    Filed: December 29, 2022
    Publication date: June 29, 2023
    Inventors: Stephen David Veihl, Cory Robert Jokela, David Michael Woller, Steven Grunlund, Jonathan Carroll Coyne
  • Patent number: 10676886
    Abstract: A material spreading system may include a tote and a spreader attachable to a loading machine. The spreader may include a frame, an inlet, a lift arm, and a discharge mechanism configured to selectively discharge the material onto the ground. The tote may include a container having a plurality of walls enclosing an internal volume for storing a material. An opening may be formed in one of the plurality of walls and communicate with the internal volume. The tote may additionally include a lift arm engaging surface configured to engage the lift arm and permit the lift arm to manipulate the tote. The tote may also include a closure member at least partially covering the opening and configured to selectively permit transfer of the material from the container to the inlet of the spreader in response to the material exerting a force on the closure member.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: June 9, 2020
    Assignee: THE TORO COMPANY
    Inventors: Jen Strelcheck, Tristan Summers, Steven Grunlund, Jon Coyne, Nathan Benjamin Kohn
  • Publication number: 20180106005
    Abstract: A material spreading system may include a tote and a spreader attachable to a loading machine. The spreader may include a frame, an inlet, a lift arm, and a discharge mechanism configured to selectively discharge the material onto the ground. The tote may include a container having a plurality of walls enclosing an internal volume for storing a material. An opening may be formed in one of the plurality of walls and communicate with the internal volume. The tote may additionally include a lift arm engaging surface configured to engage the lift arm and permit the lift arm to manipulate the tote. The tote may also include a closure member at least partially covering the opening and configured to selectively permit transfer of the material from the container to the inlet of the spreader in response to the material exerting a force on the closure member.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 19, 2018
    Inventors: Jen Strelcheck, Tristan Summers, Steven Grunlund, Jon Coyne, Nathan Benjamin Kohn