Patents by Inventor Colin W. Ericksen

Colin W. Ericksen 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).

  • Bearings
    Publication number: 20030031390
    Abstract: The present invention is an improvement to bearings and is more particularly concerned with the aspect of changing the outer peripheral area of the bearing to a geometric shape other than circular.
    Type: Application
    Filed: October 17, 2002
    Publication date: February 13, 2003
    Inventors: Colin W. Ericksen, Jeff S. Asher
  • Self centering drilling tool
    Patent number: 5649793
    Abstract: The present invention is a self centering drilling device and is more particularly concerned with the aspect of precise location for removal of material with various sizes of drill bits, using the same drill bit holder.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: July 22, 1997
    Inventors: Colin W. Ericksen, Richard E. Hardwick, Jeffrey S. Asher
  • Hinge installation tool
    Patent number: 5419662
    Abstract: A drilling device for boring holes in wood, plastic or metal in precise locations on a work piece, comprising a set of geared together shafts equipped with drilling bits. The bit holder shafts are guided by bearings housed in a frame biased upwardly by springs. The geared together shafts being powered by an electric drill motor.
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: May 30, 1995
    Inventor: Colin W. Ericksen
  • Hardware installation tool
    Patent number: 5217331
    Abstract: An in line drilling device for boring holes an equal distance from one another in wood, plastic or metal, comprising a set of geared together shafts equipped with drilling bits. The bit holder shafts are guided by bearings housed in a frame biased upwardly by springs. The fully compressed springs act to limit the extent of projection of the drill bits into a workpiece.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: June 8, 1993
    Inventor: Colin W. Ericksen
  • Hardware installation tool
    Patent number: 5064319
    Abstract: The present invention is a device for locating fastener positions and is more particularly concerned with the aspect of precise location for removal of material by boring or drilling by means of a handheld electric power tool.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: November 12, 1991
    Inventor: Colin W. Ericksen
  • Hinge installation tool
    Patent number: 5059071
    Abstract: A hardware installation device for boring or drilling wood, plastic or metal and is more particularly concerned with providing a precise location of pilot holes for attachment screws and material removal by boring or drilling means.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: October 22, 1991
    Inventor: Colin W. Ericksen