Patents by Inventor Guangming Han

Guangming Han 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: 9616508
    Abstract: The present patent application discloses a pipe cutter, comprises a left housing, a right housing, a blade, small handle, a rotary shaft and a reset mechanism; the left housing and the right housing are fixed together; the blade is rotatable located between the left housing and the right housing; the rotary shaft pass through the left housing and the blade and is fixed with the right housing; the small handle is provided with a blade feeding apparatus and a blade locking apparatus, the blade feeding apparatus is used for controlling the rotation of the blade, the blade locking apparatus is used for fixing the position of the blade; the small handle is mounted on one side of the left housing and the right housing, the small handle is hinged with the left housing and the right housing through blade locking apparatus; the blade is provided with tooth grooves and hook portion, the hook portion is mounted on the left side of the tooth grooves and adjacent to the tooth grooves 8.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: April 11, 2017
    Assignee: Ningbo Ant Tools Co., Ltd.
    Inventor: Guangming Han
  • Publication number: 20160059327
    Abstract: The present patent application discloses a pipe cutter, comprises a left housing, a right housing, a blade, small handle, a rotary shaft and a reset mechanism; the left housing and the right housing are fixed together; the blade is rotatable located between the left housing and the right housing; the rotary shaft pass through the left housing and the blade and is fixed with the right housing; the small handle is provided with a blade feeding apparatus and a blade locking apparatus, the blade feeding apparatus is used for controlling the rotation of the blade, the blade locking apparatus is used for fixing the position of the blade; the small handle is mounted on one side of the left housing and the right housing, the small handle is hinged with the left housing and the right housing through blade locking apparatus; the blade is provided with tooth grooves and hook portion, the hook portion is mounted on the left side of the tooth grooves and adjacent to the tooth grooves 8.
    Type: Application
    Filed: October 1, 2014
    Publication date: March 3, 2016
    Inventor: Guangming Han