Patents by Inventor Howard J. GILLS

Howard J. GILLS 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).

  • APPARATUS AND METHOD FOR CLEANING CULVERTS
    Publication number: 20110146711
    Abstract: An apparatus and method for cleaning culverts or pipes employing an extendable mechanism for generally horizontal cleaning of a culvert or pipe that might be blocked by debris. The apparatus may be powered by tractor-like devices and insertable into a debris filled culvert or pipe and rotated to dislodge debris. The apparatus may include one or more tines or screw-like blade that bites into and dislodges debris. A pull-out device and brush tool is also provided.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 23, 2011
    Inventors: Howard J. GILLS, Robert H. Gills