Patents by Inventor Lin Zuqian

Lin Zuqian 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: 10836620
    Abstract: A handle and tiller head plug-in module for a material handling vehicle. The handle having an elongated tiller having an upper portion including at least one steering handgrip member and an upward extending wall surrounding electrical contacts associated with operator control functions. The tiller head plug-in module includes a housing having a downward extending wall surrounding electrical contacts, with the housing supporting a plurality of operator control interface elements, including at least one lift control element, and at least drive control element. The tiller head plug-in module is configured to be removably electrically connected to the handle when the upward extending wall surrounding the electrical contacts of the upper portion of the tiller is plugged into and received by the downward extending wall surrounding the electrical contacts of the housing.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: November 17, 2020
    Assignee: ZHEJIANG E-P EQUIPMENT CO., LTD.
    Inventors: Yu Jiandong, Lin Zuqian, Xu Minghui, Huang Chao, Ma Qichen
  • Publication number: 20200331733
    Abstract: A handle and tiller head plug-in module for a material handling vehicle. The handle having an elongated tiller having an upper portion including at least one steering handgrip member and an upward extending wall surrounding electrical contacts associated with operator control functions. The tiller head plug-in module includes a housing having a downward extending wall surrounding electrical contacts, with the housing supporting a plurality of operator control interface elements, including at least one lift control element, and at least drive control element. The tiller head plug-in module is configured to be removably electrically connected to the handle when the upward extending wall surrounding the electrical contacts of the upper portion of the tiller is plugged into and received by the downward extending wall surrounding the electrical contacts of the housing.
    Type: Application
    Filed: April 17, 2019
    Publication date: October 22, 2020
    Inventors: Yu Jiandong, Lin Zuqian, Xu Minghui, Huang Chao, Ma Qichen
  • Publication number: 20170298963
    Abstract: The disclosure provides an integral hydraulic system, which includes a valve board, a lift cylinder and a reservoir connected into one integral valve body, wherein the integral valve body is further connected to an electric motor and a hydraulic gear pump, so as to form a complete power unit that includes all the valves utilized in the different functions that control a hydraulic fluid circuit in lifting and lowering of a plunger rod of the lift cylinder.
    Type: Application
    Filed: May 24, 2016
    Publication date: October 19, 2017
    Inventors: Xu Linjie, Liu Shunli, Lin Zuqian
  • Patent number: D801616
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: October 31, 2017
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D802243
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: November 7, 2017
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D805712
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: December 19, 2017
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D805713
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: December 19, 2017
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D819293
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 29, 2018
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D819923
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: June 5, 2018
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D824633
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: July 31, 2018
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D855924
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: August 6, 2019
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D856627
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: August 13, 2019
    Assignee: BIG LIFT, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D895222
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: September 1, 2020
    Assignee: Big Lift, LLC
    Inventors: Ma Qichen, Xu Hongpeng, Liu Shunli, Lin Zuqian, Xu Minghui
  • Patent number: D962584
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 30, 2022
    Inventors: Yu Jiandong, Lin Zuqian, Xu Minghui, Huang Chao, Ma Qichen
  • Patent number: D972806
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: December 13, 2022
    Inventors: Yu Jiandong, Lin Zuqian, Xu Minghui, Huang Chao, Ma Qichen
  • Patent number: D972807
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: December 13, 2022
    Inventors: Yu Jiandong, Lin Zuqian, Xu Minghui, Huang Chao, Ma Qichen