Patents by Inventor Gerald Barkhorn

Gerald Barkhorn 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: 5445454
    Abstract: Tubular bag packaging, for medicinal supply articles such as bandages or rigid dressings, in particular, consisting of a tough film web made up of several layers in a composite structure whose opposite borders are glued or welded together along a longitudinal seam to form a tube enveloping the material to be packed and which is sealed at its ends by means of two parallel transverse seams and which exhibits at least one aid to opening, enabling it to be torn open quickly and completely in order to remove the contents, whereby at least one of the transverse seams (1,2) exhibits controllable, given weakening in the form of an incision (3), which only divides the transverse seam (1) and (2), respectively, in an outer part of its width, and that a line of weakening (4) running across the length of the packaging (10) is intended for the tear, during the course of which at least one layer (12) of the composite structure making up the film (14) is provided with aids to tearing (5) such as incisions, perforations or t
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: August 29, 1995
    Assignee: Lohmann GmbH & Co. KG
    Inventor: Gerald Barkhorn
  • Patent number: 5409115
    Abstract: The invention concerns a tubular bag packing, for bandage-like materials in particular, consisting of a web of foil whose opposite borders are glued or welded together along a longitudinal seam to form a tube enveloping the material to be packed and which is hermetically sealed at its ends by means of two parallel transverse seams and which exhibits at least one aid to opening, enabling it to be torn open quickly and completely in order to remove the contents, that is characterized in that one longitudinal strip (10) of the web of foil (11) projects loosely beyond the longitudinal seam (5) and that this is formed into comparatively short, continuously recurring longitudinal spaces (A1, A2, A3, etc.) with tear-off tongues (12a, 12b, 12c etc.) between notches for tearing (13a, 13b, 13c etc.) which limit one another.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: April 25, 1995
    Assignee: Lohmann GmbH & Co. KG
    Inventor: Gerald Barkhorn