Patents by Inventor Cheol-Seok Woo

Cheol-Seok Woo 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).

  • Publication number: 20240102510
    Abstract: The present invention relates to a vacuum suction device which is a suction device, having a multi-suction configuration, formed in a particular structure and which thus has a very strong structure and can be easily attached and detached and, at the same time, exhibit strong adhesion during use.
    Type: Application
    Filed: September 1, 2021
    Publication date: March 28, 2024
    Applicant: MSINTECH CO., LTD.
    Inventor: Cheol Seok WOO
  • Publication number: 20230375017
    Abstract: The present invention relates to pipe clamps, the pipe clamps being firmly fixed at set heights of pipes installed across the ceilings and floors of buildings to allow various members, such as shelves, holders, clothes hangers, to be selectively attached thereto for use.
    Type: Application
    Filed: September 1, 2021
    Publication date: November 23, 2023
    Applicant: MSINTECH CO., LTD.
    Inventor: Cheol Seok WOO
  • Patent number: 11330902
    Abstract: The present invention relates to an opening and closing type shelf fixing clamp which can easily install and release a shelf, and can be easily and stably coupled to a post. The opening and closing type shelf fixing clamp comprises: a main body (100) which is coupled to a wire (3) constituting two side edges of a shelf (1) and to which a post is coupled; a fixing cover (300) which is coupled to one side of the main body through a hinge and which fixes the post (5) by covering the front surface of the post (5); and a fixing lever (500) which is coupled to the other side of the main body by means of a hinge and which presses the fixing cover toward the main body so as to fix the shelf to the post more stably.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: May 17, 2022
    Assignee: MSINTECH CO., LTD.
    Inventor: Cheol Seok Woo
  • Publication number: 20200121078
    Abstract: The present invention relates to an opening and closing type shelf fixing clamp which can easily install and release a shelf, and can be easily and stably coupled to a post. The opening and closing type shelf fixing clamp comprises: a main body (100) which is coupled to a wire (3) constituting two side edges of a shelf (1) and to which a post is coupled; a fixing cover (300) which is coupled to one side of the main body through a hinge and which fixes the post (5) by covering the front surface of the post (5); and a fixing lever (500) which is coupled to the other side of the main body by means of a hinge and which presses the fixing cover toward the main body so as to fix the shelf to the post more stably.
    Type: Application
    Filed: March 6, 2018
    Publication date: April 23, 2020
    Inventor: Cheol Seok WOO
  • Patent number: 9618032
    Abstract: The present invention relates to a vacuum absorber, wherein: the assembly of the respective components of the vacuum absorber can be improved and a smooth operation can be carried out; and the vacuum absorber can be firmly and easily attached to an attachment surface by a vacuum absorbing method and an adhesive method.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: April 11, 2017
    Assignee: MSINTECH CO., LTD.
    Inventor: Cheol-Seok Woo
  • Publication number: 20160238060
    Abstract: The present invention relates to a vacuum absorber, wherein: the assembly of the respective components of the vacuum absorber can be improved and a smooth operation can be carried out; and the vacuum absorber can be firmly and easily attached to an attachment surface by a vacuum absorbing method and an adhesive method.
    Type: Application
    Filed: March 19, 2013
    Publication date: August 18, 2016
    Inventor: Cheol-Seok WOO
  • Patent number: 7708245
    Abstract: Disclosed is a multi-purpose vacuum suction apparatus which can be easily attached to or detached from a smooth and hard object surface and which can substantially increase suction force. The multi-purpose vacuum suction apparatus includes an elastic member for returning one or more operating members to the original positions thereof, and a vacuum suction plate unit having a multi-purpose connector, wherein an ornamental member for use in various ornamentation or advertisement can be fitted into or assembled with the top end of the multi-purpose connector.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: May 4, 2010
    Inventor: Cheol-Seok Woo
  • Patent number: 7648110
    Abstract: Disclosed is a banner stand adapted to attach to and detach from a glassy surface. The banner stand includes a vacuum suction plate made of a soft material, a suction latching protrusion protruding from the vacuum suction plate; a lower support having a slanted lateral wall portion formed along a peripheral edge of an upper end of a base ring portion, the slanted lateral wall portion having operation ribs extending thereon at an interval; a suction plate operation member having rib guide protrusions guided on the operation ribs, a suction latching protrusion support, and a ball joint coupler; and a pole support having a pair of ball joints positioned on a bottom surface of a body so as to be coupled to the ball joint coupler of the suction plate operation member.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: January 19, 2010
    Inventor: Cheol-Seok Woo
  • Publication number: 20090121102
    Abstract: Disclosed is a multi-purpose vacuum suction apparatus which can be easily attached to or detached from a smooth and hard object surface and which can substantially increase suction force. The multi-purpose vacuum suction apparatus includes an elastic member for returning one or more operating members to the original positions thereof, and a vacuum suction plate unit having a multi-purpose connector, wherein an ornamental member for use in various ornamentation or advertisement can be fitted into or assembled with the top end of the multi-purpose connector.
    Type: Application
    Filed: April 24, 2007
    Publication date: May 14, 2009
    Inventor: Cheol-Seok Woo
  • Publication number: 20090038192
    Abstract: Disclosed is a banner stand adapted to attach to and detach from a glassy surface. The banner stand includes a vacuum suction plate made of a soft material, a suction latching protrusion protruding from the vacuum suction plate; a lower support having a slanted lateral wall portion formed along a peripheral edge of an upper end of a base ring portion, the slanted lateral wall portion having operation ribs extending thereon at an interval; a suction plate operation member having rib guide protrusions guided on the operation ribs, a suction latching protrusion support, and a ball joint coupler; and a pole support having a pair of ball joints positioned on a bottom surface of a body so as to be coupled to the ball joint coupler of the suction plate operation member.
    Type: Application
    Filed: August 28, 2006
    Publication date: February 12, 2009
    Inventor: Cheol-Seok Woo