Patents by Inventor RuiGuang HE

RuiGuang HE 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: 11957157
    Abstract: Present invention teaches a tobacco grinder with a guide shell and a grinder assembly consisting of an upper grinder part and a lower grinder part that is attached to a support shell. A material drawer is located on the side of the guide shell, slidably placed inside a slid slot, with a lock/release operation performed by a push release lock mechanism, making it easy for a user to operate. A curved well guides the ground tobacco down from the grinding chamber and funneled into the material drawer. The magnetized feature also makes the operation easy even if the grinder unit is help up-side-down.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: April 16, 2024
    Inventor: RuiGuang He
  • Publication number: 20220183342
    Abstract: Present invention teaches a tobacco grinder with a guide shell and a grinder assembly consisting of an upper grinder part and a lower grinder part that is attached to a support shell. A material drawer is located on the side of the guide shell, slidably placed inside a slid slot, with a lock/release operation performed by a push release lock mechanism, making it easy for a user to operate. A curved well guides the ground tobacco down from the grinding chamber and funneled into the material drawer. The magnetized feature also makes the operation easy even if the grinder unit is help up-side-down.
    Type: Application
    Filed: July 15, 2021
    Publication date: June 16, 2022
    Inventor: RuiGuang HE