Patents by Inventor Jong Min JOO

Jong Min JOO 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).

  • Grounding type elbow connector having electroscope therein
    Patent number: 9806463
    Abstract: A ground type elbow connector includes an elbow housing 100, and an electroscope 200 that is assembled onto the elbow housing to allow both a visual check on an activated state of a power cable and a grounding operation to occur. The elbow housing is connected to an insulation plug of an elbow connection unit for a power cable that is assembled onto a voltage detection part opposite to a bushing coupling part via which the elbow connection unit is connected with a bushing insert of a switch.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: October 31, 2017
    Assignee: PYUNGIL CO., LTD.
    Inventors: Jong Min Joo, Sea Jun Lee, Chung Mo Je, Kyoung Sun Choi, Jin Sub An, Seung Hong Lee
  • Grounding type elbow connector
    Patent number: 9620903
    Abstract: A grounding type elbow connector includes an insulation plug having an electrically-conductive stud bolt, an insulation body, and an insulation rod that is detachably fitted into a through-hole of the insulation body. A grounding unit having a grounding rod and to which a grounding cable is connected is connected alone, or selectively coupled in a state a grounding inspection connection unit is connected, to the elbow connector after the insulation body is dissembled from the elbow connector.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: April 11, 2017
    Assignee: PYUNGIL CO., LTD.
    Inventors: Jong Min Joo, Kyoung Sun Choi, Jin Sub An, Chung Mo Je
  • GROUNDING TYPE ELBOW CONNECTOR HAVING ELECTROSCOPE THEREIN
    Publication number: 20170070005
    Abstract: A ground type elbow connector includes an elbow housing 100, and an electroscope 200 that is assembled onto the elbow housing to allow both a visual check on an activated state of a power cable and a grounding operation to occur. The elbow housing is connected to an insulation plug of an elbow connection unit for a power cable that is assembled onto a voltage detection part opposite to a bushing coupling part via which the elbow connection unit is connected with a bushing insert of a switch.
    Type: Application
    Filed: June 9, 2014
    Publication date: March 9, 2017
    Inventors: Jong Min JOO, Sea Jun LEE, Chung Mo JE, Kyoung Sun CHOI, Jin Sub AN, Seung Hong LEE
  • GROUNDING TYPE ELBOW CONNECTOR
    Publication number: 20160240979
    Abstract: A grounding type elbow connector includes an insulation plug having an electrically-conductive stud bolt, an insulation body, and an insulation rod that is detachably fitted into a through-hole of the insulation body. A grounding unit having a grounding rod and to which a grounding cable is connected is connected alone, or selectively coupled in a state a grounding inspection connection unit is connected, to the elbow connector after the insulation body is dissembled from the elbow connector.
    Type: Application
    Filed: October 31, 2013
    Publication date: August 18, 2016
    Inventors: Jong Min JOO, Kyoung Sun CHOI, Jin Sub AN, Chung Mo JE