Patents by Inventor Chen Ming-Hsien

Chen Ming-Hsien 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: 20020083936
    Abstract: A pneumatic toy gun includes a groove and two first holes respectively defined through a barrel thereof the gun and a bullet feeding device is connected to the barrel. The feeding device includes a first part and a second part, wherein the first part has a feeding tube. The second part has a protrusion extending therefrom so as to be inserted into the groove in the barrel. The first part is then connected to the second part by screws. The connection of the protrusion and the groove set the second part in position so that the feeding tube can be positioned at a desired position when the two parts are connection with each other.
    Type: Application
    Filed: January 2, 2001
    Publication date: July 4, 2002
    Inventor: Chen Ming-Hsien
  • Patent number: 6408836
    Abstract: A pneumatic toy gun includes a barrel having a groove and two first holes extending therethrough. A bullet feeding device is connected to the barrel. The feeding device includes a first part and a second part, wherein the first part has a feeding tube. The second part has a protrusion extending therefrom so as to be inserted into the groove in the barrel. The first part is then connected to the second part by screws. The connection of the protrusion and the groove set the second part in position so that the feeding tube can be positioned at a desired position when the two parts are in connection with each other.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: June 25, 2002
    Inventor: Chen Ming-Hsien
  • Patent number: 6374819
    Abstract: A paintball feeding device for a paintball marker which has a hole defined in a barrel thereof and the feeding device includes a tubular body connected to the barrel and communicating with the hole of the barrel. An end member is snapped to an end of said tubular body by receiving two protrusions on the end member in two apertures in the tubular body.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: April 23, 2002
    Inventor: Chen Ming-Hsien