Patents by Inventor Earl M. Barker

Earl M. Barker 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: 10786925
    Abstract: A sawing inspection system to measure dimensions of a cant that has been cut into pieces is disclosed. The system includes a housing having a window, an image sensor, a first mirror, and a second mirror. The first mirror includes a concave parabolic reflective surface and a focal point, and the second mirror includes a flat, reflective surface. The focal point is where parallel rays of light that enter the housing through the window and reflect off of the concave parabolic reflective surface intersect. The second mirror is positioned to reflect toward the focal point the parallel rays of light reflected by the first mirror. The image sensor is located at the focal point. At least one of the first mirror, the second mirror, and the image sensor is movable relative to the others to remove parallax error from the measurement of the pieces of the cant.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: September 29, 2020
    Assignee: OnSize Inc.
    Inventor: Earl M. Barker
  • Patent number: 7993019
    Abstract: The laser enclosure includes an enclosure body which is adapted to accommodate a laser scanner therein. The enclosure with the laser assembly is used in a sawmill environment. The enclosure body includes an assembly for moving the mounted enclosure body to obtain and maintain a desired orientation and aiming for the laser scanner relative to a companion laser scanner. A movable front plate/door comprises one part of the enclosure body, mounted and arranged to be movable to an open position, permitting access to the interior of the enclosure body. The movable door also includes openings for the laser scanner components.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: August 9, 2011
    Assignee: EB Associates, Inc.
    Inventors: Earl M. Barker, Kevin J. Barker
  • Patent number: 7914175
    Abstract: The enclosure assembly includes an enclosure body which is adapted to accommodate a laser scanner therein for use in a sawmill environment. The enclosure body includes a lid portion which is hinged to permit access to the interior of the enclosure for convenient removal and cleaning of the laser scanner. A front end assembly extends from a forward end of the enclosure body and includes an air knife member mounted therein which in operation produces an air curtain which extends from the air knife towards the workpiece, tending to maintain the debris away from the laser.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: March 29, 2011
    Assignee: EB Associates
    Inventors: Earl M. Barker, Kevin J. Barker
  • Publication number: 20090076741
    Abstract: The lumber measuring system includes a pair of single point lasers for measuring cut lumber in one or more scan zones. An electrical box connected to local 110V AC power is located close to the scan zone, within a short distance of the lasers, so that conduit for connecting cables is not required. The electrical box includes a power supply providing a plurality of DC voltages, a large character display and an Ethernet to serial converter. Connectors are provided in an exterior panel of the electrical box for connecting the assemblies in the box with the local lasers and the central computer. Pre-wired cables, with MS-style connectors on both ends, are provided for connection between the lasers and the associated connectors in the enclosures, the cables being wired so there is only a single position in which the cable connectors can connect to the lasers and to the connectors on the electrical box. A computer receives data from the lasers and provides measurement information back to the display.
    Type: Application
    Filed: September 19, 2007
    Publication date: March 19, 2009
    Applicant: EB ASSOCIATES, INC.
    Inventor: Earl M. Barker
  • Publication number: 20080030722
    Abstract: The laser enclosure includes an enclosure body which is adapted to accommodate a laser scanner therein. The enclosure with the laser assembly is used in a sawmill environment. The enclosure body includes an assembly for moving the mounted enclosure body to obtain and maintain a desired orientation and aiming for the laser scanner relative to a companion laser scanner. A movable front plate/door comprises one part of the enclosure body, mounted and arranged to be movable to an open position, permitting access to the interior of the enclosure body. The movable door also includes openings for the laser scanner components.
    Type: Application
    Filed: August 2, 2006
    Publication date: February 7, 2008
    Inventors: Earl M. Barker, Kevin J. Barker
  • Publication number: 20080029511
    Abstract: The enclosure assembly includes an enclosure body which is adapted to accommodate a laser scanner therein for use in a sawmill environment. The enclosure body includes a lid portion which is hinged to permit access to the interior of the enclosure for convenient removal and cleaning of the laser scanner.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 7, 2008
    Inventors: Earl M. Barker, Kevin J. Barker
  • Patent number: 5135597
    Abstract: The process begins with a single board, for instance a flat grain board, of selected dimensions. The single board may be clear or not or may be cut and rejoined to remove defects. The board is then sawn in a selected manner and the resulting boards are bonded together by gluing to form a remanufactured board, in such a manner that the glue lines are substantially invisible. In one preferred embodiment, a flat grain board is rip sawn and then edge glued to form a vertical grain board of selected dimensions.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: August 4, 1992
    Assignee: Weyerhaeuser Company
    Inventor: Earl M. Barker
  • Patent number: 5034259
    Abstract: The process begins with a single board, for instance a flat grain board, of selected dimensions. The single board may be clear or not or may be cut and rejoined to remove defects. The board is then sawn in a selected manner and the resulting boards are bonded together by gluing to form a remanufactured board, in such a manner that the glue lines are substantially invisible. In one preferred embodiment, a flat grain board is rip sawn and then edge glued to form a vertical grain board of selected dimensions.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: July 23, 1991
    Assignee: The Weyerhaeuser Company
    Inventor: Earl M. Barker