Patents by Inventor Young Chul Bang

Young Chul Bang 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).

  • Patent number: 6706015
    Abstract: The invention provides a safety syringe, which has a cylinder (11), a syringe needle (21), a needle holder (31) associated to the cylinder and adapted to hold the syringe needle, and a plunger (41) associated to the cylinder (11), wherein the plunger (41) comprises a piston (42) and serves to inject a filling of the cylinder (11) via the syringe needle (21), and wherein the plunger (41) can be coupled with the needle holder (31) arranged in the region of a front hole (12) of the cylinder (11), to retract the needle holder (31) together with syringe needle (21) into the cylinder (11) by pulling the plunger (41) once coupled to the needle holder (31) is retracted into the cylinder by rotating the plunger (41) and pulling the plunger (41) aft thereby pulling the needle holder (31) into the cylinder (11). Then the aft end of the plunger (41) is broken off, and a removable cap (49) from the aft end of the plunger (41) may be placed over the opening in the forward end of the cylinder (11).
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: March 16, 2004
    Assignee: Medexel Korea
    Inventor: Young Chul Bang
  • Publication number: 20030212366
    Abstract: The invention provides a safety syringe, which has a cylinder (11), a syringe needle (21), a needle holder (31) associated to the cylinder and adapted to hold the syringe needle, and a plunger (41) associated to the cylinder (11), wherein the plunger (41) comprises a piston (42) and serves to inject a filling of the cylinder (11) via the syringe needle (21), and wherein the plunger (41) can be coupled with the needle holder (31) arranged in the region of a front hole (12) of the cylinder (11), to retract the needle holder (31) together with syringe needle (21) into the cylinder (11) by pulling the plunger (41) once coupled to the needle holder (31) is retracted into the cylinder by rotating the plunger (41) and pulling the plunger (41) aft thereby pulling the needle holder (31) into the cylinder (11). Then the aft end of the plunger (41) is broken off, and a removable cap (49) from the aft end of the plunger (41) may be placed over the opening in the forward end of the cylinder (11).
    Type: Application
    Filed: May 7, 2002
    Publication date: November 13, 2003
    Inventor: Young Chul Bang
  • Patent number: D699842
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: February 18, 2014
    Assignee: alltrade Vertriebs GmbH & Co. KG
    Inventor: Young Chul Bang