Patents by Inventor Gerhard Schonbach

Gerhard Schonbach 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).

  • Can lining bag of flexible plastic film
    Patent number: 4171764
    Abstract: Disclosed is a bag adapted for lining the inside of a container, comprising side walls and a closed end wall comprised of a flexible synthetic resinous sheet material and an open end wall opposite to the closed end wall, wherein the inside circumference of the bag defined by the side walls becomes increasingly larger from an intermediate point on the side walls in the direction of the open end wall, while the outside circumference preferably remains substantially constant.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: October 23, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Schonbach, Klaus Heyse