Patents by Inventor Douglas W. Carr

Douglas W. Carr 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: 7334826
    Abstract: End-effectors may be used to grasp microelectronic workpieces for handling by automated transport devices. One such end-effector includes a plurality of abutments and a detector adapted to detect engagement of the edge of the workpiece by at least one of the abutments.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: February 26, 2008
    Assignee: Semitool, Inc.
    Inventors: Daniel J. Woodruff, Randy A. Harris, James J. Erickson, Douglas W. Carr
  • Patent number: 7281741
    Abstract: End-effectors may be used to grasp microelectronic workpieces for handling by automated transport devices. One such end-effector includes a plurality of end-effectors and a detector adapted to detect engagement of the edge of the workpiece by at least one of the abutments. An alternative end-effector includes at least three abutments, at least one of which is resiliently connected to an actuator for movement between a retracted position and a deployed position wherein it engages a workpiece.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: October 16, 2007
    Assignee: Semitool, Inc.
    Inventors: Daniel J. Woodruff, Thomas H. Oberlitner, Randy A. Harris, James J. Erickson, Douglas W. Carr
  • Patent number: 6805057
    Abstract: A bullet for law enforcement and personal defense use capable of meeting current FBI and IWBA standards and comprised of a jacket of malleable metal having a cylindrical side wall, tapered nose portion, an open forward end, and a plurality of deep longitudinally extending scores formed in the nose portion and defining petals therebetween which extend rearwardly from its mouth, and a malleable core mounted within the jacket and having a plurality of separate segments extending forwardly from its cylindrical base into the nose portion of the jacket and terminating adjacent said open jacket end in a shallow hollowed point, the bullet being capable of piercing substantial barrier materials before entering its target and thereafter expanding radially to about 1.5-2.0 times its diameter, while traveling 9-16 inches within its target.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: October 19, 2004
    Assignee: Federal Cartridge Corporation
    Inventors: Douglas W. Carr, Lawrence P. Head
  • Publication number: 20030085582
    Abstract: End-effectors may be used to grasp microelectronic workpieces for handling by automated transport devices. One such end-effector includes a plurality of abutments and a detector adapted to detect engagement of the edge of the workpiece by at least one of the abutments.
    Type: Application
    Filed: July 11, 2002
    Publication date: May 8, 2003
    Inventors: Daniel J. Woodruff, Randy A. Harris, James J. Erickson, Douglas W. Carr
  • Publication number: 20030082042
    Abstract: End-effectors may be used to grasp microelectronic workpieces for handling by automated transport devices. One such end-effector includes a plurality of end-effectors and a detector adapted to detect engagement of the edge of the workpiece by at least one of the abutments. An alternative end-effector includes at least three abutments, at least one of which is resiliently connected to an actuator for movement between a retracted position and a deployed position wherein it engages a workpiece.
    Type: Application
    Filed: July 11, 2002
    Publication date: May 1, 2003
    Inventors: Daniel J. Woodruff, Thomas H. Oberlitner, Randy A. Harris, James J. Erickson, Douglas W. Carr
  • Publication number: 20020056397
    Abstract: A bullet for law enforcement and personal defense use capable of meeting current FBI and IWBA standards and comprised of a jacket of malleable metal having a cylindrical side wall, tapered nose portion, an open forward end, and a plurality of deep longitudinally extending scores formed in the nose portion and defining petals therebetween which extend rearwardly from its mouth, and a malleable core mounted within the jacket and having a plurality of separable segments extending forwardly from its cylindrical base into the nose portion of the jacket and terminating adjacent said open jacket end in a shallow hollowed point, the bullet being capable of piercing substantial barrier materials before entering its target and thereafter expanding radially to about 1.5-2.0 times its diameter, while traveling 9-16 inches within its target.
    Type: Application
    Filed: November 7, 2001
    Publication date: May 16, 2002
    Inventors: Douglas W. Carr, Lawrence P. Head