Patents by Inventor Jong-tae Lee

Jong-tae Lee 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: 20240019054
    Abstract: The present disclosure relates to a fixing cap assembly and a pipe fitting including same. The fixing cap assembly according to an embodiment of The present disclosure comprises: a fixing cap fastened to a connection portion of a main body, to which at least one pipe is connected, and fixing the main body and the pipe to each other; a washer which is positioned inside the fixing cap and compresses a sealing member (120), interposed between the main body and the pipe, as the fixing cap is fastened, and of which the diameter contracts and is restored in the radial direction; and a coupling member including a plurality of tooth-shaped protrusions which protrude radially from the inner circumferential surface of the washer toward the outer circumferential surface of the pipe and press the outer circumferential surface of the pipe as the washer contracts, thereby fixing the pipe.
    Type: Application
    Filed: March 19, 2021
    Publication date: January 18, 2024
    Applicants: PPI CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae LEE, Hye-Jung LEE, Ki-Woong HWANG
  • Patent number: 11873923
    Abstract: A pipe-fitting includes a plurality of pipe receiving portions, a hollow joint for connecting the plurality of pipe receiving portions to each other, a sealing member received in a sealing member-receiving groove, and a plurality of hollow fixing-caps, wherein each fixing-cap is screwed to a distal end of each pipe receiving portion to press the sealing member to be brought into close contact with each pipe. A fixing-cap stopper is formed on an outer circumferential face of each pipe receiving portion. The fixing-cap stopper includes a fixing-cap fixing portion including a plurality of fixing protrusions protruding toward a proximal end of the fixing-cap. A plurality of fixing-protrusion-receiving grooves is defined in the proximal end of each fixing-cap for receiving the fixing-protrusions therein respectively.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 16, 2024
    Assignees: PPI PYUNGWHA CO., LTD, PPI AMERICA INC.
    Inventors: Hye-Jung Lee, Jong-Tae Lee, Ki-Woong Hwang
  • Patent number: 11002389
    Abstract: A one-touch pipe connection device includes a socket main body portion including a plurality of pipe fitting portions in each of which a pipe is inserted; a sealing portion that provides sealing between the socket main body portion and the pipe; and a cap portion having a through hole through which the pipe is inserted into the pipe fitting portion and configured to be coupled to the pipe fitting portion by rotation while moving towards the pipe fitting portion such that the sealing portion is pressed and deformed to closely contact the pipe.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: May 11, 2021
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Ki-Woong Hwang
  • Publication number: 20200370684
    Abstract: A pipe-fitting includes a plurality of pipe receiving portions, a hollow joint for connecting the plurality of pipe receiving portions to each other, a sealing member received in a sealing member-receiving groove, and a plurality of hollow fixing-caps, wherein each fixing-cap is screwed to a distal end of each pipe receiving portion to press the sealing member to be brought into close contact with each pipe. A fixing-cap stopper is formed on an outer circumferential face of each pipe receiving portion. The fixing-cap stopper includes a fixing-cap fixing portion including a plurality of fixing protrusions protruding toward a proximal end of the fixing-cap. A plurality of fixing-protrusion-receiving grooves is defined in the proximal end of each fixing-cap for receiving the fixing-protrusions therein respectively.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 26, 2020
    Inventors: Hye-Jung LEE, Jong-Tae LEE, Ki-Woong HWANG
  • Patent number: 10240696
    Abstract: The present invention relates to a pipe having resistance to both flame and cold, where the pipe has good flame resistance to prevent flame or smoke from spreading through the pipe penetrating into the floor or wall in the case of a fire and also has good smoke resistance to prevent deterioration in the physical properties of the pipe even in the cold weather.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: March 26, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA, INC.
    Inventor: Jong-Tae Lee
  • Publication number: 20190063643
    Abstract: A one-touch pipe connection device includes a socket main body portion, wherein a plurality of pipe fitting portion, in each of which a pipe to be connected is inserted, are connected to each other, a sealing portion provided between the socket main body portion and the pipe to be connected and sealing between the pipe to be connected inserted in the pipe fitting portion and the socket main body portion, and a cap portion having a through hole therein for passing the pipe to be connected inserted in the pipe fitting portion, coupled to the pipe fitting portion while moving in an insertion direction of the pipe to be connected inserted in the pipe fitting portion, and, when coupled to the pipe fitting portion, pressing the sealing portion in a direction in which the sealing portion closely contacts the pipe to be connected.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 28, 2019
    Applicants: PPI PYUNGWHA CO., LTD., PPI AMERICA INC., Hye-Jung LEE
    Inventors: Jong-Tae LEE, Ki-Woong HWANG
  • Patent number: 10023732
    Abstract: Provided are: a rigid IPVC pipe resin composition, which exhibits excellent strength and hydrostatic pressure resistance, including a PVC resin having a K-value from 72 to 84; and a rigid IPVC pipe, which exhibits excellent strength and hydrostatic pressure resistance, manufactured by extrusion of the resin composition.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: July 17, 2018
    Assignees: PPI PYUNGWHA CO., LTD, PYUNGWHA PIPE INDUSTRY INC.
    Inventor: Jong-Tae Lee
  • Publication number: 20160046800
    Abstract: Provided are: a rigid IPVC pipe resin composition, which exhibits excellent strength and hydrostatic pressure resistance, including a PVC resin having a K-value from 72 to 84; and a rigid IPVC pipe, which exhibits excellent strength and hydrostatic pressure resistance, manufactured by extrusion of the resin composition.
    Type: Application
    Filed: July 1, 2014
    Publication date: February 18, 2016
    Inventor: Jong-Tae LEE
  • Patent number: 9247121
    Abstract: An image sensor, an electric device using the same and a focusing method of the electric device are provided. The image sensor comprises a plurality of image capturing units and a detecting unit. Each image capturing unit includes an image capturing pixel and a first micro lens. The first micro lens is disposed in front of the image capturing pixel. The detecting unit has a focus detecting pixel and a second micro lens. The second micro lens is disposed in front of the image detecting pixel. A length of the second micro lens is different from a length of the first micro lenses.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: January 26, 2016
    Assignee: ABILITY ENTERPRISE CO., LTD.
    Inventor: Jong-Tae Lee
  • Publication number: 20150323105
    Abstract: The present invention relates to a pipe having resistance to both flame and cold, where the pipe has good flame resistance to prevent flame or smoke from spreading through the pipe penetrating into the floor or wall in the case of a fire and also has good smoke resistance to prevent deterioration in the physical properties of the pipe even in the cold weather.
    Type: Application
    Filed: January 15, 2014
    Publication date: November 12, 2015
    Applicants: PYUNGWHA PIPE INDUSTRY INC., PPI PYUNGWHA CO., LTD.
    Inventor: Jong-Tae LEE
  • Publication number: 20140320729
    Abstract: An image sensor, an electric device using the same and a focusing method of the electric device are provided. The image sensor comprises a plurality of image capturing units and a detecting unit. Each image capturing unit includes an image capturing pixel and a first micro lens. The first micro lens is disposed in front of the image capturing pixel. The detecting unit has a focus detecting pixel and a second micro lens. The second micro lens is disposed in front of the image detecting pixel. A length of the second micro lens is different from a length of the first micro lenses.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 30, 2014
    Applicant: ABILITY ENTERPRISE CO., LTD.
    Inventor: Jong-Tae Lee
  • Patent number: D831173
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 16, 2018
    Assignee: PPI PYUNGWHA CO., LTD.
    Inventors: Jong-Ho Lee, Hye-Jung Lee, Jong-Tae Lee, Il-Haeng Lee
  • Patent number: D831174
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 16, 2018
    Assignee: PPI PYUNGWHA CO., LTD.
    Inventors: Jong-Ho Lee, Hye-Jung Lee, Jong-Tae Lee, Il-Haeng Lee
  • Patent number: D831797
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 23, 2018
    Assignee: PPI PYUNGWHA CO., LTD.
    Inventors: Jong-Ho Lee, Hye-Jung Lee, Jong-Tae Lee, Il-Haeng Lee
  • Patent number: D832985
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: November 6, 2018
    Assignee: PPI PYUNGWHA CO., LTD.
    Inventors: Jong-Ho Lee, Hye-Jung Lee, Jong-Tae Lee, Il-Haeng Lee
  • Patent number: D849892
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: May 28, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D857856
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 27, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D857857
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 27, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D858720
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: September 3, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI America Inc.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D861836
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: October 1, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang