Patents by Inventor William I. Hall

William I. Hall 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: 5918389
    Abstract: A scraping blade adapted for quick, simple and easy attachment to and removal from a bucket of the type used with a backhoe or like earth working machine, wherein the lower cutting edge of the bucket has a plurality of outwardly projecting teeth terminating in tapered cutting/tearing points. The blade includes front and back plates providing a straight lower scraping edge and a substantially "V" shaped upwardly open receptacle or socket sized and configured to receive and snugly engage the projecting points of the bucket teeth. The front plate includes forwardly angled end sections adapted to prevent the spill over of dirt from the blade as it is being used to scrape and/or level dirt.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: July 6, 1999
    Assignee: Hall's Dirt Squeege Blade, Inc.
    Inventor: William I. Hall