Patents by Inventor Bao Chieng

Bao Chieng 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: 6237973
    Abstract: An ash and debris collector, particularly, but not exclusively, for a fireplace is comprised of a scoop body defined by an elongated open-ended channel member having a forward neck shovel portion and a rear discharge portion. At least a forward end of the shovel portion has a flat bottom wall with a straight front edge and opposed side walls. A skirt is provided in a front portion of the top wall of the shovel portion and projects outwardly of the top end of a front edge of the opposed side walls to prevent ashes from rising to the top wall of the scoop body during the scooping movement. A bag holder is secured to the rear discharge portion and extends rearwardly of a rear discharge opening defined by the rear discharge portion whereby to support a bag in an open condition. An open mouth of the bag is secured about the rear discharge opening by a band and a handle is provided on the rear discharge portion to manipulate the scoop.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: May 29, 2001
    Inventors: André Dupont, Bao Chieng