Patents by Inventor Christopher William Bermingham

Christopher William Bermingham 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: 4057117
    Abstract: An auger drilling apparatus includes a spoil disposal box guided on the lower end of the auger leads. The auger extends vertically through the box and deposits spoil from the hole being drilled into the box. During drilling, the box rests on the ground at the top of the hole being drilled. When the box is filled, it can be raised on the leads to an elevated position and eject the spoil directly into a dump truck.
    Type: Grant
    Filed: July 27, 1976
    Date of Patent: November 8, 1977
    Assignee: Bermingham Construction Limited
    Inventor: Christopher William Bermingham