Patents by Inventor Stephen D. Gearhart

Stephen D. Gearhart 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: 6761133
    Abstract: An aquarium device for draining and cleaning an aquarium. The aquarium device includes a base having a top side, a bottom side, a first side, a second side, a third side and a fourth side. The top side has a depression therein. A peripheral edge of the depression has a slot therein. A valve selectively opens and closes to facilitate draining water. A substantially rigid panel having slots therethrough has a size and shape substantially equal to the peripheral edge of the depression. The panel may abut the peripheral edge and generally cover the depression. A housing has a top and bottom open end. The bottom end has an edge extendable into the slot such that a generally watertight seal is defined. The housing comprises a substantially transparent material.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: July 13, 2004
    Inventor: Stephen D. Gearhart