Patents by Inventor Sean ZYLSTRA

Sean ZYLSTRA 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: 11313090
    Abstract: Snow removal machines are provided that have an auger assembly for directing snow rearwards to be received by a discharge chute, and an auxiliary snow moving assembly for directing snow rearwards to be received by the discharge chute. The auger assembly has auger blade(s) coupled to an auger axle for rotation therewith about a first axis defined by the auger axle. The auxiliary snow moving assembly has snow moving member(s) coupled to an auxiliary axle for rotation therewith about a second axis defined by the auxiliary axle. The auxiliary axle is lower and rearwards of the auger axle towards the discharge chute; and an auxiliary drive assembly is configured to rotationally couple the auxiliary axle to the auger axle such that rotation of the auxiliary axle is driven by rotation of the auger axle.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 26, 2022
    Assignee: Canadian Tire Corporation, Limited
    Inventors: Tomasz Piotrowski, Michael Fuina, Sean Zylstra, Timothy James Sommerfeld, Michael Daniel Vermeer, Michael Mackuliak, Shaun Zimmerman, Victor Lai
  • Publication number: 20200157755
    Abstract: Described herein are snow removal machines having at least one auxiliary snow moving member. According to some embodiments, the snow removal machines comprise: an auger assembly for directing snow rearwards to be received by a discharge chute, the auger assembly having auger blade(s) coupled to an auger axle for rotation therewith about a first axis defined by the auger axle; an auxiliary snow moving assembly for directing snow rearwards to be received by the discharge chute, the auxiliary snow moving assembly having snow moving member(s) coupled to an auxiliary axle for rotation therewith about a second axis defined by the auxiliary axle, wherein the auxiliary axle is lower and rearwards of the auger axle towards the discharge chute; and an auxiliary drive assembly configured to rotationally couple the auxiliary axle to the auger axle such that rotation of the auxiliary axle is driven by rotation of the auger axle.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 21, 2020
    Inventors: Tomasz PIOTROWSKI, Michael FUINA, Sean ZYLSTRA, Timothy James SOMMERFELD, Michael Daniel VERMEER, Michael MACKULIAK, Shaun ZIMMERMAN, Victor LAI
  • Patent number: D894326
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 25, 2020
    Assignee: CANADIAN TIRE CORPORATION LIMITED
    Inventors: Tim Sommerfeld, Sean Zylstra