Patents by Inventor James A. Koller

James A. Koller 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: 6823894
    Abstract: Splay nozzle apparatus attached to the outlet end of a lateral spout, to splay the water laterally from the outlet to overcome the problem of erosion of the ground as had on direct flow from a lateral spout onto the ground.
    Type: Grant
    Filed: May 23, 2003
    Date of Patent: November 30, 2004
    Inventors: James A. Koller, Lee A. Roehrig