Patents Assigned to World Wide Daily Holdings Company Limited
  • Publication number: 20240081518
    Abstract: The present invention provides a toothbrush and a device for attaching and/or detaching a toothbrush head. The toothbrush comprises a handle comprising a grip portion and a head attaching portion connected to the grip portion, a head comprising a body and bristles mounted to a first side of the body, the body further having a second side opposite to the first side, wherein a first hole is formed in one of the head attaching portion and the second side of the body, and a corresponding protruding plug is formed on the other of the head attaching portion and the second side of the body, the head is removably attached to the head attaching portion by inserting the protruding plug into the first hole. According to the present invention, the handle can be reused to improve resource utilization and reduce the amount of waste to be treated, as well as to enable the attachment and/or detachment of the head to be labor-savingly, easily and efficiently conducted.
    Type: Application
    Filed: July 30, 2019
    Publication date: March 14, 2024
    Applicant: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: 10932557
    Abstract: A dental cleaning tool includes a body portion defining a longitudinal axis of the dental cleaning tool. The body portion extends from a first end to a second end along the longitudinal axis. The body portion includes a floss assembly formed at the first end of the body portion, a toothpick member formed at the second end of the body portion, and a handle portion extending between the floss assembly and the toothpick member. The handle portion includes a receptacle. The tool further includes at least one secondary cleaning tool coupled to the body portion. The at least one secondary cleaning tool is rotatable relative to the body portion for selectively positioning the at least one secondary cleaning tool between a stowed position, within the receptacle, and a deployed position.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: March 2, 2021
    Assignee: WORLD WIDE DAILY HOLDINGS COMPANY LIMITED
    Inventor: Chun Yuen To
  • Patent number: 10610338
    Abstract: A dental cleaning tool includes a body portion and a secondary cleaning tool. The body portion includes a floss assembly, a handle, a receiving slot, and a shield. The floss assembly includes a first arm, a second arm, and a bridge segment. The first arm and the second arm extend from the bridge segment. The handle is coupled to the floss assembly and extends from the floss assembly. The receiving slot is formed in the handle. The shield is formed on the handle and is configured to cover the receiving slot such that access to the receiving slot is restricted. The secondary cleaning tool is coupled to the bridge segment and is pivotable relative to the bridge segment in at least two degrees of freedom such that the secondary cleaning tool is insertable into the receiving slot from a second direction different than the first direction.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: April 7, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Publication number: 20200030066
    Abstract: A dental cleaning tool includes a handle defining a longitudinal axis of the tool. The handle includes a floss holder having a base and two arms extending from the base in perpendicular relation to the longitudinal axis, at least one strand of floss extending between the two arms, and a toothpick being formed as one piece with the handle and having a pointed tip, the toothpick being spaced from the floss holder such that the handle is disposed between the toothpick and the floss holder. The dental cleaning tool further includes at least one rotatable dental tool formed separately from and attached to the handle, the at least one rotatable dental tool being rotatably mounted to the handle between a first, stow position and a second, use position.
    Type: Application
    Filed: March 3, 2017
    Publication date: January 30, 2020
    Applicant: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen TO
  • Patent number: 10376346
    Abstract: A dental cleaning tool includes a body portion defining a longitudinal axis of the dental cleaning tool. The body portion includes a floss assembly including a first arm and a second arm extending substantially perpendicularly relative to the longitudinal axis, a receiving slot formed in the first arm, and a shield formed on the first arm. The shield is configured to cover the receiving slot such that access to the receiving slot is restricted from a first direction. The tool also includes a secondary cleaning tool coupled to the first arm. The secondary cleaning tool is pivotable relative to the first arm in at least two degrees of freedom such that the secondary cleaning tool is insertable into the receiving slot from a second direction different than the first direction.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: August 13, 2019
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Publication number: 20190209277
    Abstract: A dental cleaning tool includes a handle defining a longitudinal axis of the tool, a floss holder a floss holder having a base and two arms extending from the base in perpendicular relation to the longitudinal axis, at least one strand of floss extending between the two arms, and a pivotable brush attached to the floss holder. The pivotable brush includes a rod and bristles disposed on the rod. The rod is pivotably mounted to the floss holder between a first, stowed position and a second, use position.
    Type: Application
    Filed: September 9, 2016
    Publication date: July 11, 2019
    Applicant: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen TO
  • Patent number: D878766
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: March 24, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D897684
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 6, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D897685
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 6, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D897686
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 6, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D897687
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 6, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D898369
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 13, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D898370
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 13, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D898371
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 13, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D898372
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 13, 2020
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D906687
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: January 5, 2021
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D927191
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: August 10, 2021
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D943284
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: February 15, 2022
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To
  • Patent number: D943285
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: February 15, 2022
    Assignee: World Wide Daily Holdings Company Limited
    Inventor: Chun Yuen To