Patents by Inventor Cailing Lu

Cailing Lu 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).

  • Broom and manufacturing method thereof
    Patent number: 9826821
    Abstract: A broom and a manufacturing method thereof, the broom comprising at least a broom handle (1) and a broom core; the bottom of the broom handle (1) is provided with a transverse plate (2); the broom core is fixed on the transverse plate (2), and comprises more than one bundle of brushes; the brushes are provided with dispersed slender resilient strips (9) thereon for cleaning the ground; the resilient strips (9) take up more than ½ the length of the brushes; the side surface of the resilient strips (9) is arc-shaped, and tapers from top to bottom; the bottom end of the resilient strips (9) is a thickened layer.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: November 28, 2017
    Assignee: WUHAN YANGYANG YUANLV MINI-RESERVOIRS CO., LTD.
    Inventors: Mengyi Cao, Yuwei Wang, Cailing Lu, Junsheng Cao, Chen Chen
  • BROOM AND MANUFACTURING METHOD THEREOF
    Publication number: 20140331427
    Abstract: A broom and a manufacturing method thereof, the broom comprising at least a broom handle (1) and a broom core; the bottom of the broom handle (1) is provided with a transverse plate (2; the broom core is fixed on the transverse plate (2), and comprises more than one bundle of brushes; the brushes are provided with dispersed slender resilient strips (9) thereon for cleaning the ground; the resilient strips (9) take up more than ½ the length of the brushes; the side surface of the resilient strips (9) is arc-shaped, and tapers from top to bottom; the bottom end of the resilient strips (9) is a thickened layer.
    Type: Application
    Filed: November 27, 2012
    Publication date: November 13, 2014
    Applicant: WUHAN YANGYANG YUANLV MINI-RESERVOIRS CO., LTD.
    Inventors: Mengyi Cao, Yuwei Wang, Cailing Lu, Junsheng Cao, Chen Chen