Patents by Inventor Ligan WU

Ligan WU 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).

  • DRILL STAND
    Publication number: 20240091926
    Abstract: A drill stand including a base, a mast defining a longitudinal axis and pivotably coupled to the base, a support bracket moveably coupled to the mast and pivotably coupled to the base, a carriage moveably coupled to the mast, and a release valve. The base has, on a bottom side thereof, a first gasket and a second gasket disposed within the first gasket, such that a vacuum chamber is defined between the first gasket, the second gasket, the bottom side of the base, and a mounting surface on which the base is configured to be mounted. The release valve is in fluid communication with the vacuum chamber. Ambient air at atmospheric pressure is permitted to enter the vacuum chamber in response to actuation of the release valve.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Inventors: Mitchell CARLSON, Ligan WU
  • Drill stand
    Patent number: 11858113
    Abstract: A core drill includes a housing and a battery pack attachable to the housing for powering the core drill. The core drill is configured to be operated while being carried on a drill stand. The core drill is configured to be operated independently of and detached from the drill stand. The core drill is configured to be carried by an operator's hand while the core drill is not being carried on the drill stand.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: January 2, 2024
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Mitchell Carlson, Ligan Wu
  • DRILL STAND
    Publication number: 20220226910
    Abstract: A core drill includes a housing and a battery pack attachable to the housing for powering the core drill. The core drill is configured to be operated while being carried on a drill stand. The core drill is configured to be operated independently of and detached from the drill stand. The core drill is configured to be carried by an operator's hand while the core drill is not being carried on the drill stand.
    Type: Application
    Filed: April 6, 2022
    Publication date: July 21, 2022
    Inventors: Mitchell CARLSON, Ligan WU
  • Drill stand
    Patent number: 11331730
    Abstract: A core drill includes a housing and a battery pack attachable to the housing for powering the core drill. The core drill is configured to be operated while being carried on a drill stand. The core drill is configured to be operated independently of and detached from the drill stand. The core drill is configured to be carried by an operator's hand while the core drill is not being carried on the drill stand.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 17, 2022
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Mitchell Carlson, Ligan Wu
  • Drill stand
    Patent number: 11148210
    Abstract: A drill stand comprises a base, a mast defining a longitudinal axis and pivotably coupled to the base, a support bracket moveably coupled to the mast and pivotably coupled to the base, and a carriage moveably coupled to the mast. The carriage is configured to selectively receive a drill and is selectively removable from the mast in a tool-free manner.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: October 19, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Mitchell Carlson, Ligan Wu
  • DRILL STAND
    Publication number: 20210008647
    Abstract: A core drill includes a housing and a battery pack attachable to the housing for powering the core drill. The core drill is configured to be operated while being carried on a drill stand. The core drill is configured to be operated independently of and detached from the drill stand. The core drill is configured to be carried by an operator's hand while the core drill is not being carried on the drill stand.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Mitchell CARLSON, Ligan WU
  • DRILL STAND
    Publication number: 20200406373
    Abstract: A drill stand comprises a base, a mast defining a longitudinal axis and pivotably coupled to the base, a support bracket moveably coupled to the mast and pivotably coupled to the base, and a carriage moveably coupled to the mast. The carriage is configured to selectively receive a drill and is selectively removable from the mast in a tool-free manner.
    Type: Application
    Filed: September 16, 2020
    Publication date: December 31, 2020
    Inventors: Mitchell CARLSON, Ligan WU
  • Drill stand
    Patent number: 10821525
    Abstract: A drill stand comprises a base, a mast defining a longitudinal axis and pivotably coupled to the base, a support bracket moveably coupled to the mast and pivotably coupled to the base, and a carriage moveably coupled to the mast. The carriage is configured to selectively receive a drill and is selectively removable from the mast in a tool-free manner.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: November 3, 2020
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Mitchell Carlson, Ligan Wu
  • DRILL STAND
    Publication number: 20190321896
    Abstract: A drill stand comprises a base, a mast defining a longitudinal axis and pivotably coupled to the base, a support bracket moveably coupled to the mast and pivotably coupled to the base, and a carriage moveably coupled to the mast. The carriage is configured to selectively receive a drill and is selectively removable from the mast in a tool-free manner.
    Type: Application
    Filed: April 22, 2019
    Publication date: October 24, 2019
    Inventors: Mitchell CARLSON, Ligan WU