Patents by Inventor Yuanlin Qiu

Yuanlin Qiu 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: 11447907
    Abstract: A laundry machine add-on box for automatic dispensing detergent. The add-on box contains a dispensing mechanical assembly and an electric pumping assembly and controller that is connected to the electronic control panel of the laundry machine.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: September 20, 2022
    Inventor: Yuanlin Qiu
  • Publication number: 20200378048
    Abstract: A laundry machine add-on box for automatic dispensing detergent. The add-on box contains a dispensing mechanical assembly and an electric pumping assembly and controller that is connected to the electronic control panel of the laundry machine.
    Type: Application
    Filed: August 11, 2020
    Publication date: December 3, 2020
    Inventor: Yuanlin Qiu
  • Patent number: 10753032
    Abstract: A laundry machine add-on box for automatic dispensing detergent. The add-on box contains a dispensing mechanical assembly and an electric pumping assembly and controller that is connected to the electronic control panel of the laundry machine.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: August 25, 2020
    Inventor: Yuanlin Qiu
  • Publication number: 20190368109
    Abstract: A laundry machine add-on box for automatic dispensing detergent. The add-on box contains a dispensing mechanical assembly and an electric pumping assembly and controller that is connected to the electronic control panel of the laundry machine.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 5, 2019
    Inventor: Yuanlin Qiu
  • Publication number: 20100287784
    Abstract: The present utility model relates to an electric shaver with a swing head portion, comprising: a head portion and a body, wherein the head portion is linked with the body by a swing mechanism. When pressure is exerted on the head portion, the swing effect of the head portion is caused by the cardan shaft and a spring of the cardan shaft.
    Type: Application
    Filed: May 12, 2009
    Publication date: November 18, 2010
    Inventor: Yuanlin QIU
  • Publication number: 20090076523
    Abstract: A depilator includes a depilating head and a depilating head support. The depilating head has two clamping devices on its main shaft radically, so that the depilator can depilate hair twice when the main shaft rotates a circle. The depilating head support has a support body. A depilating head locating seat is settled at the upper ends of two sidewalls of the support body. A depilating head pressure roller is removably inserted in the depilating head locating seat. The rear end of the depilating head pressure roller is set against a spring piece, which is fixed on the support body.
    Type: Application
    Filed: May 8, 2006
    Publication date: March 19, 2009
    Inventor: Yuanlin Qiu
  • Patent number: D604013
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: November 10, 2009
    Inventor: Yuanlin Qiu
  • Patent number: D927806
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: August 10, 2021
    Inventor: Yuanlin Qiu