International Paper has been granted a patent for a container design that includes inner and outer ledges on the peripheral wall portions. These ledges allow for nesting of similarly-configured containers, creating a defined spacing between stacked containers. The design features a hingedly joined side wall panel and cut-out area on the panel to define the outer ledge. GlobalData’s report on International Paper gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on International Paper, fiber-reinforced material joining techniques was a key innovation area identified from patents. International Paper's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.

A container with inner and outer ledges for stacking

Source: United States Patent and Trademark Office (USPTO). Credit: International Paper Co

A recently granted patent (Publication Number: US11679908B2) describes a unique container design that allows for efficient stacking and nesting of containers. The container comprises a bottom portion, peripheral wall portions, and an upper edge. One of the peripheral wall portions includes an inner ledge, while the other includes an outer ledge. The inner ledge engages with the outer ledge of a similarly-configured container when nested, defining the spacing between stacked containers.

The container design features a generally planar bottom portion and peripheral wall portions that extend at an obtuse angle with respect to the bottom portion. The flap of one peripheral wall portion has a thickness that defines the thickness of the inner ledge. The inner flap overlaps and is adhesively attached to the side wall panel, forming a portion of the outer surface of the container. The inner flap is hingedly attached to an adjacent peripheral wall portion.

The container also includes a flange at the upper edge, formed by flange portions hingedly attached to each peripheral wall portion. The flange portions have tabs that extend along adjacent peripheral wall portions, forming overlapping joints. The wall panel and flap of the container have the same thickness.

The patent also describes a container formed from a one-piece blank of sheet material. This container design includes opposing peripheral wall portions and opposing end wall portions. The inner flaps of the peripheral wall portions overlap the cut-out areas and form portions of the outer surface. The inner flaps fit within the cut-out areas of similarly-configured containers when nested.

Overall, this patented container design offers improved stacking and nesting capabilities, allowing for efficient storage and transportation of goods. The unique features of the container, such as the inner and outer ledges and the overlapping flaps, contribute to its functionality and versatility.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.