Patents by Inventor Robert W. Thede

Robert W. Thede 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).

  • Sprinkler head edging device
    Patent number: 6412568
    Abstract: The sprinkler head edging device has a cutting assembly attached to a handle or other device such as a powered rotational device. The cutting assembly has cutting blades attached which are oriented to cut and remove grass, weeds, dirt and other materials from around the periphery of a sprinkler head. The cutting assembly housing is generally a hollow cylindrical shape and may have a different diameter at each end of the housing for ease in changing the cutting head to accomodated varying size sprinkler heads. In the instance of the variable shaped housing the cutting assembly is rotatably attached to the handle or other device.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: July 2, 2002
    Inventor: Robert W. Thede
  • Lawn sprinkler valve handle
    Patent number: D245916
    Type: Grant
    Filed: July 14, 1976
    Date of Patent: September 27, 1977
    Inventor: Robert W. Thede