Patents by Inventor Carl R. Hallberg

Carl R. 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: 4904121
    Abstract: The invention relates to a device, especially for stabilizing soil material and other moldable compositions such as uncured concrete or the like, comprising a substantially elongated web sheet mounted on a support which forms a plurality of cells or pockets which can be manufactured from inexpensive raw material, which possibly can easily decompose, and requires a minimum transport volume. The device provides favorable anchoring in the ground which is to be soil stabilized and forms pockets or cells having walls extending vertically independent of the slope angle of the ground for stabilizing the soil even during heavy rain.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: February 27, 1990
    Assignee: A/S Platon
    Inventor: Carl R. Hallberg
  • Patent number: 4798498
    Abstract: The invention relates to a device, especially for stabilizing soil material and other moldable compositions such as uncured concrete or the like, comprising a substantially elongated web sheet mounted on a support which forms a plurality of cells or pockets which can be manufactured from inexpensive raw material, which possibly can easily decompose, and which requires a minimum transport volume. The pockets or cells having walls extending vertically independent of the slope of the ground for stabilizing the soil even during heavy rain.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: January 17, 1989
    Assignee: A/S Platon
    Inventor: Carl R. Hallberg