Patents by Inventor Dale Harlow

Dale Harlow 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: 7070133
    Abstract: A silo bin drilling system used for unclogging bulk material in a silo bin. The drilling system includes a hydraulic drill with drill motor. The drill is mounted above an access hole in a top portion of the bin. An access door in a bottom of the bin is used for forming a lower bin cavity in the material. The system also includes a pipe string. The pipe string is attached to a pipe string motor. A bottom of the pipe string is attached to a drill bit with foldable blades. The drill bit is used for drilling a cavity access hole through the clogged bulk material into the lower bin cavity. The pipe string motor then moves the drill bit with unfolded blades upwardly through the material drilling a large diameter raise hole until the clogged material collapses in the bin.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: July 4, 2006
    Inventor: Dale Harlow