Patents by Inventor David James Drake

David James Drake 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).

  • Sprinkler Apparatus
    Publication number: 20110000985
    Abstract: A sprinkler apparatus (10) comprises a container (12) for containing a powder to be sprinkled, a stencil (24) disposed at one end of the container (12) and dispensing means for controllably dispensing powder contained in the container (12) through the stencil (24). The dispensing means includes a movable blade (26) which is disposed within the container (12) immediately adjacent and overlying the stencil (24). The blade (26) has at least one opening (34, 36) therein for allowing powder contained in the container (12) to pass through the opening (34, 36) and through the stencil (24).
    Type: Application
    Filed: January 28, 2009
    Publication date: January 6, 2011
    Inventor: David James Drake
  • Sprinkler apparatus
    Patent number: D610881
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: March 2, 2010
    Inventor: David James Drake