Patents by Inventor Robert S. Egger

Robert S. Egger 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: 4349039
    Abstract: There is disclosed a device mounted for traveling movement on the edge of a rain gutter to clean it. The frame of this device may be stamped from a single sheet of metal or molded as a single piece from a plastic and has a vertical portion, to which is rigidly secured, the fixed tubular part of a rotary valve. Support rollers are carried on horizontal axes in turn carried by a vertical portion of the frame and these support rollers support the device for travel on the outer edge of a rain gutter. The frame continues to a U-shaped portion providing a horizontal frame portion. Guide rollers are mounted on vertical axes carried by the horizontal frame portion. These guide rollers are individually adjustable and support the device against lateral tipping. The fixed tubular valve part may have one nozzle or may have two nozzles connected therewith directing fluid in opposite directions in a rain gutter.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: September 14, 1982
    Inventor: Robert S. Egger