Patents by Inventor Chien-Chou Lu

Chien-Chou 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).

  • Patent number: 11357317
    Abstract: A toothbrush structure contains: a body, a movable brush, and a protective unit. The body includes a handle, a connecting neck, and a fixed head. The connecting neck is connected with the handle and the fixed head, the fixed head has multiple first orifices for receiving multiple first bristles, and a slot is formed on the fixed head and extends to the handle. The movable brush slides in the slot linearly and includes a push block, a slidable post, and a movable brushing portion. The push block is disposed on the slidable post, and the movable brushing portion is mounted on the slidable post opposite to the push block and has multiple second orifices for receiving multiple second bristles. The slidable post is received in the slot. The protective unit is configured to cover the slot so that the movable brush is limited to slide in the slot.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: June 14, 2022
    Inventor: Chien-Chou Lu
  • Publication number: 20220015532
    Abstract: A toothbrush structure contains: a body, a movable brush, and a protective unit. The body includes a handle, a connecting neck, and a fixed head. The connecting neck is connected with the handle and the fixed head, the fixed head has multiple first orifices for receiving multiple first bristles, and a slot is formed on the fixed head and extends to the handle. The movable brush slides in the slot linearly and includes a push block, a slidable post, and a movable brushing portion. The push block is disposed on the slidable post, and the movable brushing portion is mounted on the slidable post opposite to the push block and has multiple second orifices for receiving multiple second bristles. The slidable post is received in the slot. The protective unit is configured to cover the slot so that the movable brush is limited to slide in the slot.
    Type: Application
    Filed: August 17, 2020
    Publication date: January 20, 2022
    Inventor: Chien-Chou Lu