Patents by Inventor K. H. Sengewald

K. H. Sengewald 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: 4781474
    Abstract: A pouch has a pair of side walls which are connected at the longitudinal edges thereof, and bottom folds. A single handle is arranged at the bottom fold wherein one end of the handle is connected to one side wall and the other end is connected to the other side wall. The pouch and the handle consist of thermoplastic plastic foil and are connected to each other by a welding seam. At the filling opening, the pouch is provided with a suspension hole and a slot which extend from the outer rim in direction to the suspension hole in order to provide a bridge therebetween and to allow the pouch to be suspended from respective pins. Through tearing of the bridge between the suspension hole and the slot, a pouch can be removed from the stack of pouches.
    Type: Grant
    Filed: March 11, 1987
    Date of Patent: November 1, 1988
    Inventor: K. H. Sengewald