Patents by Inventor Wolfgang Hartz

Wolfgang Hartz 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: 5829230
    Abstract: Method for bagging plurality of compressible absorbent articles which are arranged in parallel, one beside the other. The bag has an approximately rectangular base, a front side, a rear side, two narrow sides, and an upper side and is closed on all sides. The bag also has a line of weakness which marks an opening for the individual removal of the articles. The height of the bag is greater than the depth of the bag, the line of weakness extends, midway along the bag, from the longitudinal center of the upper side, toward the base, about half way down the front side of the bag. The base has a downwardly directed supporting band. The absorbent articles do not exerting sufficient pressure on any of the sides of the bag filled with said articles to cause the opening to gape open. The opening can be formed by bending the bag to open the line of weakness, and it closes after removal of the product when the bag is replaced on its supporting edge.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: November 3, 1998
    Assignee: McNeil-PPC, Inc.
    Inventor: Wolfgang Hartz
  • Patent number: 5722774
    Abstract: Flexible plastic bag for a plurality of compressible absorbent articles which are arranged in parallel, one beside the other. The bag has an approximately rectangular base, a front side, a rear side, two narrow sides, and an upper side and is closed on all sides. The bag also has a line of weakness which marks an opening for the individual removal of the articles. The height of the bag is greater than the depth of the bag, the line of weakness extends, midway along the bag, from the longitudinal center of the upper side, toward the base, about half way down the front side of the bag. The base has a downwardly directed supporting band. The absorbent articles do not exerting sufficient pressure on any of the sides of the bag filled with said articles to cause the opening to gape open. The opening can be formed by bending the bag to open the line of weakness, and it closes after removal of the product when the bag is replaced on its supporting edge.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: March 3, 1998
    Assignee: McNeil-PPC, Inc.
    Inventor: Wolfgang Hartz