Patents by Inventor Komas Chang

Komas Chang 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).

  • Safety box for intravenous infusion set
    Patent number: 8348900
    Abstract: A safety box for use with an intravenous infusion set is disclosed to include a box body having a locating groove located on each of the front and rear sides thereof for receiving the flexible tube of the intravenous infusion set and a retaining hole located on one lateral side thereof, and a box cover hinged to the box body and having a hook block with two hooked portions selectively engageable into the retaining hole of the box body to temporarily or permanently lock the box cover to the box body.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: January 8, 2013
    Inventor: Komas Chang
  • SAFETY BOX FOR INTRAVENOUS INFUSION SET
    Publication number: 20120181198
    Abstract: A safety box for use with an intravenous infusion set is disclosed to include a box body having a locating groove located on each of the front and rear sides thereof for receiving the flexible tube of the intravenous infusion set and a retaining hole located on one lateral side thereof, and a box cover hinged to the box body and having a hook block with two hooked portions selectively engageable into the retaining hole of the box body to temporarily or permanently lock the box cover to the box body.
    Type: Application
    Filed: January 18, 2011
    Publication date: July 19, 2012
    Inventor: KOMAS CHANG
  • Safety hypodermic syringe
    Patent number: 7611488
    Abstract: A safety hypodermic syringe formed of a barrel, a plunger, a locating block, a rubber stopper, a needle holder and a needle is disclosed. The plunger has a barbed front tip, which is forced into engagement with a hooked portion of the locating block when the plunger is pushed to the front end of the barrel so that the needle holder with the needle can be carried by the locating block to the inside of the barrel upon a backward movement of the plunger after the service of the syringe and biased with the locating block inside the barrel by means of the effect of a front pin of the rubber stopper.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: November 3, 2009
    Inventor: Komas Chang
  • Safety hypodermic syringe
    Publication number: 20080154193
    Abstract: A safety hypodermic syringe formed of a barrel, a plunger, a locating block, a rubber stopper, a needle holder and a needle is disclosed. The plunger has a barbed front tip, which is forced into engagement with a hooked portion of the locating block when the plunger is pushed to the front end of the barrel so that the needle holder with the needle can be carried by the locating block to the inside of the barrel upon a backward movement of the plunger after the service of the syringe and biased with the locating block inside the barrel by means of the effect of a front pin of the rubber stopper.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 26, 2008
    Inventor: Komas Chang