Patents by Inventor Marvel B. Morgan

Marvel B. Morgan 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).

  • Tool for removing plant growth from peripheral zones of sprinkler heads
    Patent number: 4022283
    Abstract: A portable power tool particularly suited for use in removing plant growth and debris from the peripheral zones of upstanding heads for subterranean sprinkler systems. The tool is characterized by a portable frame adapted to be positioned above an upstanding sprinkler head in an operative relationship therewith, a drive shaft mounted on the frame having a rotatable cutting head connected thereto for cutting an annular swath about the sprinkler head in response to rotary motion imparted to the drive shaft, and an electrically energizable motor connected to the drive shaft and adapted to respond to a positioning of the frame into an operative relationship with a sprinkler head for imparting rotary motion to the drive shaft.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: May 10, 1977
    Inventor: Marvel B. Morgan