Patents by Inventor Donald G. Littge

Donald G. Littge 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: 7080484
    Abstract: A plant watering system adapted to be communicated with a controlled pressurized water source for watering plants growing in a planting area. The system includes a water flow conduit having a first annular portion disposed in a horizontal disposition circumscribing the planting area and a cover ring disposed about and maintaining the first portion of the conduit in place about the planting area. The cover ring defines a plurality of inwardly facing cutout areas at circumferentially spaced locations thereon. A plurality of water outlet nozzles communicate with and project from the first portion of the conduit through the cutout areas in the cover ring for directing water from the conduit onto the planting area. A second portion of the conduit communicates with the first portion through one of the cutout areas in the cover ring and communicates the first portion with the pressurized water source.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: July 25, 2006
    Inventor: Donald G. Littge