Patents by Inventor Josef Willing

Josef Willing 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).

  • Method of manufacturing packaging bags with a handle
    Patent number: 5382216
    Abstract: A method of manufacturing bags that are rectangular when collapsed and which comprise two superimposed flat sides, sealed at the edges, and a handle member. The method comprises the steps of: laying out a web forming three parallel subordinate webs, one extending longitudinally in the middle and one on each lateral side thereof; folding two top flanks out of the middle subordinate web to create a handle-top portion; V-folding a center strip of the middle subordinate web to create a handle member; providing the handle member with a finger slot and with depressions that allow the middle part to be pulled apart along the handle member to form a gusset; bringing the two lateral subordinate webs together; and attaching the lateral subordinate webs together along seams to create bag edges and cutting off the bags along their edges.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: January 17, 1995
    Assignee: M &W Verpackungen Mildenberger & Willing GmbH
    Inventor: Josef Willing
  • Method of manufacturing packaging bags with a handle
    Patent number: 5322450
    Abstract: A method of manufacturing bags that are rectangular when collapsed and which comprise two superimposed flat sides, sealed at the edges, and a handle member. The method comprises the steps of: laying out a web forming three parallel subordinate webs, one extending longitudinally in the middle and one on each lateral side thereof; folding two top flanks out of the middle subordinate web to create a handle-top portion; V-folding a center strip of the middle subordinate web to create a handle member; providing the handle member with a finger slot and with depressions that allow the middle part to be pulled apart along the handle member to form a gusset; bringing the two lateral subordinate webs together; and attaching the lateral subordinate webs together along seams to create bag edges and cutting off the bags along their edges.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: June 21, 1994
    Assignee: M & W Verpackungen Mildenberger & Willing GmbH
    Inventor: Josef Willing