Patents by Inventor Andrew A. Dahl

Andrew A. Dahl 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).

  • Publication number: 20060006049
    Abstract: A transfer unit is configured for use with a form, fill and seal packaging machine. The transfer unit receives a partially erected carton from a first station in a tubular form, conveys the carton to a second station, and conveys the carton from the second station to a third station. The transfer unit includes a hub defining a longitudinal hub axis and configured for rotational movement about the hub axis. A plurality of car pairs are mounted to the hub for longitudinal movement along the hub. Each of the car pairs includes first and second cars, each of which has first and second mandrels mounted thereto. The mandrels are configured to receive a partially erected carton. Each mandrel has a mandrel axis and is rotational about its respective axis. The mandrel axes are perpendicular and tangential to the hub axis.
    Type: Application
    Filed: September 12, 2005
    Publication date: January 12, 2006
    Applicant: Tetra Laval Holdings & Finance, S.A.
    Inventors: Thomas Breidenbach, John Lees, Terry Berglin, Andrew Dahl, Terry Erickson, Gregory Reed, Michael Robertson
  • Publication number: 20050172572
    Abstract: A transfer unit is configured for use with a form, fill and seal packaging machine. The transfer unit receives a partially erected carton from a first station in a tubular form, conveys the carton to a second station, and conveys the carton from the second station to a third station. The transfer unit includes a hub defining a longitudinal hub axis and configured for rotational movement about the hub axis. A plurality of car pairs are mounted to the hub for longitudinal movement along the hub. Each of the car pairs includes first and second cars, each of which has first and second mandrels mounted thereto. The mandrels are configured to receive a partially erected carton. Each mandrel has a mandrel axis and is rotational about its respective axis. The mandrel axes are perpendicular and tangential to the hub axis.
    Type: Application
    Filed: April 6, 2005
    Publication date: August 11, 2005
    Applicant: Tetra Laval Holdings & Finance, S.A.
    Inventors: Thomas Breidenbach, John Lees, Terry Berglin, Andrew Dahl, Terry Erickson, Gregory Reed, Michael Robertson
  • Publication number: 20050172573
    Abstract: A transfer unit is configured for use with a form, fill and seal packaging machine. The transfer unit receives a partially erected carton from a first station in a tubular form, conveys the carton to a second station, and conveys the carton from the second station to a third station. The transfer unit includes a hub defining a longitudinal hub axis and configured for rotational movement about the hub axis. A plurality of car pairs are mounted to the hub for longitudinal movement along the hub. Each of the car pairs includes first and second cars, each of which has first and second mandrels mounted thereto. The mandrels are configured to receive a partially erected carton. Each mandrel has a mandrel axis and is rotational about its respective axis. The mandrel axes are perpendicular and tangential to the hub axis.
    Type: Application
    Filed: April 6, 2005
    Publication date: August 11, 2005
    Applicant: Tetra Laval Holdings & Finance, S.A.
    Inventors: John Lees, Terry Berglin, Thomas Breidenbach, Andrew Dahl, Terry Erickson, Gregory Reed, Michael Robertson
  • Publication number: 20050161306
    Abstract: A transfer unit is configured for use with a form, fill and seal packaging machine. The transfer unit receives a partially erected carton from a first station in a tubular form, conveys the carton to a second station, and conveys the carton from the second station to a third station. The transfer unit includes a hub defining a longitudinal hub axis and configured for rotational movement about the hub axis. A plurality of car pairs are mounted to the hub for longitudinal movement along the hub. Each of the car pairs includes first and second cars, each of which has first and second mandrels mounted thereto. The mandrels are configured to receive a partially erected carton. Each mandrel has a mandrel axis and is rotational about its respective axis. The mandrel axes are perpendicular and tangential to the hub axis.
    Type: Application
    Filed: January 23, 2004
    Publication date: July 28, 2005
    Applicant: Tetra Laval Holdings & Finance, S.A.
    Inventors: John Lees, Terry Berglin, Thomas Breidenbach, Andrew Dahl, Terry Erickson, Gregory Reed, Michael Robertson
  • Publication number: 20020098001
    Abstract: A kiosk having an electronic billboard video display which display is switched to a reduced area display associated with an interactive terminal in the kiosk. Chromogenically activated privacy panels are rendered opaque when the terminal is in use to block viewing of the reduced area display.
    Type: Application
    Filed: October 11, 2001
    Publication date: July 25, 2002
    Inventor: Andrew A. Dahl
  • Patent number: 6356939
    Abstract: A interactive system (10) for presenting information to members of an audience includes a main server (11) connected to a slave server (13), a video projector (19) connected to the slaver server for displaying information to all members of an audience, a memory in the main server and a laser disc unit (21) connected to slave server for storing information related to a plurality of categories and a plurality of topics related to each of the categories, and a plurality of seat computers (16) connected through an audience response server (14) to the main server. Each seat computer generates category selection signals and topic selection signals upon actuation by an associated audience member and displays the stored information to the associated audience member.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: March 12, 2002
    Assignee: Dawber and Company, Inc.
    Inventor: Andrew A. Dahl
  • Patent number: 5835715
    Abstract: An interactive system (10) for presenting information to members of an audience includes a main server (11), slave server (13), a video projector (19) for displaying information to all members of an audience, a memory in the main server and a laser disc unit connected to slave server for storing information related to a plurality of categories and a plurality of topics related to each categories, and a plurality of seat computers (16) connected through an audience response server to the main server (11). The main server (11) is responsive to category selection signals for controlling the video projector (19) to display the stored information which is first category choice of the audience. For each audience member who did not select the first category choice, the main server (11) controls the associated seat computer (16) to display the stored information related to another one of the categories selected by the audience member.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: November 10, 1998
    Assignee: Dawber & Company, Inc.
    Inventor: Andrew A. Dahl