Patents by Inventor Darrell Keith Downey

Darrell Keith Downey 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: 7082716
    Abstract: A devise for watering vegetation has a cylindrical tube that can be laid flat and rolled up. The tube has a watertight seal about 2 to about 6 inches from each end, which leaves a flap at each end. The flaps can be attached to stakes that can be driven into the ground. There are one or two openings along the length of the tube through which water can be admitted into the tube. At or near the bottom of the tube is at least one drip emitter from which water can leave the tube. Two or more tubes can be joined together using a single stake though the flaps of the tubes. The tubes can be arranged in a line, a circle, or other arrangements.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: August 1, 2006
    Inventor: Darrell Keith Downey