Patents by Inventor Tae Min Um

Tae Min Um 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).

  • ANTI-VIBRATION GRINDING DEVICE WITH HUB AND SPRING
    Publication number: 20240351169
    Abstract: A grinding device including a grinding wheel, a hub attached to the grinding wheel, the hub movable relative to the grinding wheel in an axial direction of the hub.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Applicant: GENERAL TOOL, INC.
    Inventors: Jae Yong OHM, Tae Min UM, Jae Woo KIM
  • Cutting tool and method for manufacturing the cutting tool
    Patent number: 7497212
    Abstract: The present invention relates to a cutting tool for cutting or drilling a brittle work piece such as stone, bricks, concrete and asphalt, and a method for manufacturing thereof. The present invention provides a cutting tool including a shank rotatably connected to a driving device and segments welded at predetermined intervals on an outer periphery of the shank. Each of the segments has abrasives attached thereto by brazing and the each segment is welded after the abrasives are brazed thereto. Also, a method for manufacturing thereof is provided. The present invention ensures improvement in cutting capacity and useful life of the cutting tool.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: March 3, 2009
    Assignee: EHWA Diamond Industrial Co., Ltd.
    Inventors: Jong Suk Choi, Tae Min Um, In Woo Kim
  • Metal-cutting saw blade
    Patent number: D526553
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: August 15, 2006
    Assignee: Ehwa Diamond Industrial Co., Ltd.
    Inventor: Tae Min Um