Patents by Inventor Thomas Hallberg

Thomas Hallberg 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: 5285822
    Abstract: An electronically controlled weft yarn processing unit having a weft yarn feed system arranged separately in the vicinity of a weaving machine. The yarn feed system including at least one yarn feeder having a separate drive motor including an electronic control unit and monitoring and control elements. The yarn feed system further including a first input and indicating section connected to the electronic control unit of the yarn feeder for adjusting at least one functional parameter including a speed limit of the drive motor, a weft yarn length, a sensitivity of the monitoring and control elements, a reference value for a weft yarn store size, and a weft yarn store offset. The weft yarn processing unit also having an operation and control panel provided on a weaving machine. The first input and indicating section is located within the control and operation panel on the weaving machine.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: February 15, 1994
    Assignee: IRO AB
    Inventors: Paer Josefsson, Thomas Hallberg
  • Patent number: 4840340
    Abstract: A telescopic brace assembly for supporting a work surface 1 which can be folded relative to a frame structure 5 includes two tubes 6,7 which are capable of being moved telescopically, one within the other, and the mutually opposite free ends of which are intended to be pivotally connected to a respective one of the objects. Arranged within the telescopic tubes is a spring 14 which biases the tubes together. The brace assembly further includes a locking arm 8 for releasably locking the tubes in a working position. The spring is arranged to be compressed as the tubes are extended one from the other, while storing energy. The extent to which the tubes can be withdrawn one from the other is determined by the extent to which the spring can be compressed.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: June 20, 1989
    Assignee: GH Trading AB
    Inventors: Hans Gustafsson, Thomas Hallberg