Patents by Inventor Bukun Liu

Bukun Liu 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: 10518618
    Abstract: Disclosed herein is a tarp motor assembly for a truck bed that utilizes both a worm drive, comprising a worm gear and a worm screw which is arranged directly on a motor-driven armature shaft of an electric motor, and a spur gear transmission, which is driven by the worm drive and connected to an output shaft, to control spooling of a tarp over the truck bed.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: December 31, 2019
    Assignee: Dumore Corporation
    Inventors: Bukun Liu, James Muchenberger, David Messer
  • Publication number: 20180147923
    Abstract: Disclosed herein is a tarp motor assembly for a truck bed that utilizes both a worm drive, comprising a worm gear and a worm screw which is arranged directly on a motor-driven armature shaft of an electric motor, and a spur gear transmission, which is driven by the worm drive and connected to an output shaft, to control spooling of a tarp over the truck bed.
    Type: Application
    Filed: November 28, 2016
    Publication date: May 31, 2018
    Inventors: Bukun Liu, James Muchenberger, David Messer