Patents by Inventor BRUCE VRUWINK

BRUCE VRUWINK 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).

  • Trail grooming method and apparatus
    Patent number: 10590617
    Abstract: Apparatus for hardening the surface of a snow and ice covered trail which includes apparatus for travel over the snow and/or ice covered terrain that includes means to remove entrained air from snow and/or ice particles proximate to the apparatus; means for redistribution of the dispersed snow and ice laterally and axially with respect to the apparatus incident to movement of the apparatus after dispersing has occurred; and means for compacting snow and ice redistributed in the means for redistributing to increase the hardness of the snow and ice that has been redistributed.
    Type: Grant
    Filed: November 25, 2017
    Date of Patent: March 17, 2020
    Inventor: Bruce Vruwink
  • TRAIL GROOMING METHOD AND APPARATUS
    Publication number: 20190161928
    Abstract: Apparatus for hardening the surface of a snow and/or ice covered trail which includes apparatus for travel over the snow and/or ice covered terrain that includes means to remove entrained air from snow and/or ice particles proximate to the apparatus; means for redistribution of the dispersed snow and/or ice laterally and axially with respect to the apparatus incident to movement of the apparatus after dispersing has occurred; and means for compacting snow and/or ice redistributed in the means for redistributing to increase the hardness of the snow and/or ice that has been redistributed.
    Type: Application
    Filed: November 25, 2017
    Publication date: May 30, 2019
    Inventor: BRUCE VRUWINK