Patents by Inventor Pierre Gustafsson

Pierre Gustafsson 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: 11619024
    Abstract: A trench cutting machine for making a cut in a surface includes a frame with at least one rear axle and at least one front axle, and a rotatable circular blade mounted the frame. The front axle is vertically adjustable relative to the frame between a first position where the circular blade is lifted clear of the surface, and a second position where the circular blade is arranged to extend downwards from the frame to cut a predetermined distance into the surface. The frame includes an auxiliary front axle located in front of the axis of rotation of the circular blade. The auxiliary front axe and the rear axle are arranged to support the frame on the surface during a cutting operation and to maintain a selected depth of cut. A shroud assembly and a debris guiding device for such a machine are also included.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: April 4, 2023
    Assignee: HUSQVARNA AB
    Inventor: Pierre Gustafsson
  • Publication number: 20210198867
    Abstract: The invention relates to a trench cutting machine (10) for making a cut in a surface (13). The trench cutting machine comprises a frame (12) comprising at least one rear axle (15) and at least one front axle (17); a rotatable circular blade (20) mounted the frame (12). The front axle (17) is vertically adjustable relative to the frame (12) between a first position where the circular blade (20) is lifted clear of the surface (13), and a second position where the circular blade (20) is arranged to extend downwards from the frame (12) to cut a predetermined distance into the surface (13). The frame (12) comprises an auxiliary front axle (19) located in front of the axis of rotation of the circular blade (20), wherein the auxiliary front axe (19) and the rear axle (15) are arranged to support the frame (12) on the surface (13) during a cutting operation and to maintain a selected depth of cut. The invention further relates to a shroud assembly and a debris guiding device for such a machine.
    Type: Application
    Filed: November 24, 2020
    Publication date: July 1, 2021
    Inventor: Pierre Gustafsson
  • Patent number: 11035097
    Abstract: A trench cutting machine for making a cut in a surface. The trench cutting machine comprises a frame comprising at least one rear axle and at least one front axle and a rotatable circular blade mounted to the frame. The front axle is vertically adjustable relative to the frame between a first position where the circular blade is lifted clear of the surface, and a second position where the circular blade is arranged to extend downwards from the frame to cut a predetermined distance into the surface. The frame comprises an auxiliary front axle located in front of the axis of rotation of the circular blade, wherein the auxiliary front axle and the rear axle are arranged to support the frame on the surface during a cutting operation and to maintain a selected depth of cut.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: June 15, 2021
    Assignee: HUSQVARNA AB
    Inventor: Pierre Gustafsson
  • Publication number: 20200308806
    Abstract: The invention relates to a trench cutting machine (10) for making a cut in a surface (13). The trench cutting machine comprises a frame (12) comprising at least one rear axle (15) and at least one front axle (17); at rotatable circular blade (20) mounted to the frame (12). The front axle (17) is vertically adjustable relative to the frame (12) between a first position where the circular blade (20) is lifted clear of the surface (13), and a second position where the circular blade (20) is arranged to extend downwards from the frame (12) to cut a predetermined distance into the surface (13). The frame (12) comprises an auxiliary front axle (19) located in front of the axis of rotation of the circular blade (20), wherein the auxiliary front axle (19) and the rear axle (15) are arranged to support the frame (12) on the surface (13) during a cutting operation and to maintain a selected depth of cut. The invention further relates to a shroud assembly and a debris guiding device for such a machine.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Inventor: Pierre Gustafsson
  • Patent number: 10711433
    Abstract: The invention relates to a trench cutting machine (10) for making a cut in a surface (13). The trench cutting machine comprises a frame (12) comprising at least one rear axle (15) and at least one front axle (17); a rotatable circular blade (20) mounted to the frame (12). The front axle (17) is vertically adjustable relative to the frame (12) between a first position where the circular blade (20) is lifted clear of the surface (13), and a second position where the circular blade (20) is arranged to extend downwards from the frame (12) to cut a predetermined distance into the surface (13). The frame (12) comprises an auxiliary front axle (19) located in front of the axis of rotation of the circular blade (20), wherein the auxiliary front axle (19) and the rear axle (15) are arranged to support the frame (12) on the surface (13) during a cutting operation and to maintain a selected depth of cut. The invention further relates to a shroud assembly and a debris guiding device for such a machine.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: July 14, 2020
    Assignee: HUSQVARNA AB
    Inventor: Pierre Gustafsson
  • Publication number: 20180066411
    Abstract: The invention relates to a trench cutting machine (10) for making a cut in a surface (13). The trench cutting machine comprises a frame (12) comprising at least one rear axle (15) and at least one front axle (17); a rotatable circular blade (20) mounted to the frame (12). The front axle (17) is vertically adjustable relative to the frame (12) between a first position where the circular blade (20) is lifted clear of the surface (13), and a second position where the circular blade (20) is arranged to extend downwards from the frame (12) to cut a predetermined distance into the surface (13). The frame (12) comprises an auxiliary front axle (19) located in front of the axis of rotation of the circular blade (20), wherein the auxiliary front axle (19) and the rear axle (15) are arranged to support the frame (12) on the surface (13) during a cutting operation and to maintain a selected depth of cut. The invention further relates to a shroud assembly and a debris guiding device for such a machine.
    Type: Application
    Filed: February 23, 2016
    Publication date: March 8, 2018
    Inventor: Pierre Gustafsson