Patents by Inventor Markus Kronigsfeld

Markus Kronigsfeld 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: 12617585
    Abstract: A recyclable woven laminated plastic bag having features that further prevent leakage of contents out of the bag, or infestation of organisms into the contents of the bag is provided. In various aspects the bag can be fabricated from a woven polyethylene, polypropylene, or combination thereof layer which can be laminated using polyethylene, polypropylene, or combination thereof resin with a film layer formed from polyethylene, polypropylene, or combination thereof, can form a sealed corner bag and/or a diagonal sealed bag, and can have one or more sides include graphics and/or printing. The bag can also provide a top end and/or a bottom end either or both of which provide a discrete area which may contain discrete graphics and/or printing.
    Type: Grant
    Filed: August 16, 2024
    Date of Patent: May 5, 2026
    Assignee: POLYTEX FIBERS LLC
    Inventors: Jacobo Bazbaz, Alberto Zaroli, Vladimir Marin, Brian Walther, Markus Kronigsfeld
  • Publication number: 20250388367
    Abstract: A bag having front, back, first side, and second side walls and top and bottom ends. The first and second side walls are disposed on opposite sides of the front and back walls and connect the front and back walls. The bag is adapted to form a substantially cubic shape when filled with a filling material. The top end includes a portion that is configured to be folded and removably attached to the top end thereby forming a substantially flat surface when the bag forms the substantially cubic shape. Each of the front, back, first side, and second side walls include (i) a first layer including a woven layer including strips of high-density polyethylene, polypropylene, or a combination thereof, and (ii) a second layer laminated to the first layer and including a film including polyethylene, polypropylene, or a combination thereof. At least a portion of the bag is heat sealed.
    Type: Application
    Filed: August 25, 2025
    Publication date: December 25, 2025
    Applicant: Polytex Fibers LLC
    Inventors: Jacobo Bazbaz, Alberto Zaroli, Markus Kronigsfeld, Brian Walther
  • Patent number: 12420986
    Abstract: A bag having a front wall, back wall, first side wall, second side wall, top end, and bottom end; where at least one of a first edge of the first side wall and a first edge of the front wall and a first edge of the back wall and a first edge of the second side wall are sealed to form a sealed corner, where the sealed corner is heat sealed; where the bag is adapted to form a cube shape when filled with a filling material and both the top and bottom end of the bag are sealed; and where each of the front, back, first side, and second side wall include (i) a first woven layer including polyethylene, polypropylene, or a combination thereof; and (ii) a second film layer laminated to the first layer, said second layer including polyethylene, polypropylene, or a combination thereof.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: September 23, 2025
    Assignee: Polytex Fibers LLC
    Inventors: Jacobo Bazbaz, Alberto Zaroli, Markus Kronigsfeld, Brian Walther
  • Publication number: 20240425237
    Abstract: A recyclable woven laminated plastic bag having features that further prevent leakage of contents out of the bag, or infestation of organisms into the contents of the bag is provided. In various aspects the bag can be fabricated from a woven polyethylene, polypropylene, or combination thereof layer which can be laminated using polyethylene, polypropylene, or combination thereof resin with a film layer formed from polyethylene, polypropylene, or combination thereof, can form a sealed corner bag and/or a diagonal sealed bag, and can have one or more sides include graphics and/or printing. The bag can also provide a top end and/or a bottom end either or both of which provide a discrete area which may contain discrete graphics and/or printing.
    Type: Application
    Filed: August 16, 2024
    Publication date: December 26, 2024
    Inventors: Jacobo Bazbaz, Alberto Zaroli, Vladimir Marin, Brian Walther, Markus Kronigsfeld
  • Publication number: 20240417140
    Abstract: A bag having a front wall, back wall, first side wall, second side wall, top end, and bottom end; where at least one of a first edge of the first side wall and a first edge of the front wall and a first edge of the back wall and a first edge of the second side wall are sealed to form a sealed corner, where the sealed corner is heat sealed; where the bag is adapted to form a cube shape when filled with a filling material and both the top and bottom end of the bag are sealed; and where each of the front, back, first side, and second side wall include (i) a first woven layer including polyethylene, polypropylene, or a combination thereof; and (ii) a second film layer laminated to the first layer, said second layer including polyethylene, polypropylene, or a combination thereof.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 19, 2024
    Applicant: Polytex Fibers LLC
    Inventors: Jacobo Bazbaz, Alberto Zaroli, Markus Kronigsfeld, Brian Walther