Patents by Inventor Qiuping Liu

Qiuping 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).

  • Publication number: 20190082901
    Abstract: A glass cleaner includes a hand-held rod and a cleaning frame mounted at the end of the hand-held rod. The cleaning frame is provided with at least two parallel and spaced scraping strips. Both the front and rear ends of a connection portion between the hand-held rod and the cleaning frame are provided with the scraping strips.
    Type: Application
    Filed: November 20, 2017
    Publication date: March 21, 2019
    Inventors: Qiuping Liu, Juan Jose Duran Lopez
  • Patent number: 9962846
    Abstract: A handheld rotary cutting blade includes a toroidal cutting blade and a handheld handle configured to package a section of the toroidal cutting blade; the toroidal cutting blade is arranged to be annular; another section of the toroidal cutting blade extends beyond the handheld handle; an outer side edge of the toroidal cutting blade is provided with a cutting edge; two rollers configured to respectively press against and support opposite inner sides of the toroidal cutting blade are respectively hinged at two opposite ends of the handheld handle; the two rollers are located at the same side relative to the center of the toroidal cutting blade, and the side is a side which keeps away from the middle of the handheld handle relative to the center; two rollers are respectively arranged at two ends of the handheld handle.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: May 8, 2018
    Inventor: Qiuping Liu
  • Publication number: 20170297214
    Abstract: A handheld rotary cutting blade includes a toroidal cutting blade and a handheld handle configured to package a section of the toroidal cutting blade; the toroidal cutting blade is arranged to be annular; another section of the toroidal cutting blade extends beyond the handheld handle; an outer side edge of the toroidal cutting blade is provided with a cutting edge; two rollers configured to respectively press against and support opposite inner sides of the toroidal cutting blade are respectively hinged at two opposite ends of the handheld handle; the two rollers are located at the same side relative to the center of the toroidal cutting blade, and the side is a side which keeps away from the middle of the handheld handle relative to the center; two rollers are respectively arranged at two ends of the handheld handle.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 19, 2017
    Inventor: Qiuping Liu
  • Patent number: D832071
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 30, 2018
    Inventors: Qiuping Liu, Juan Jose Duran Lopez
  • Patent number: D856618
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: August 13, 2019
    Assignee: Huizhou Duran Creative Technology Co., Ltd.
    Inventors: Qiuping Liu, Juan Jose Duran Lopez