Ranpak’s patent involves a method for efficiently converting single-ply sheet stock material into a dunnage product using a specially designed holder. The process includes splitting the stack into two sub-stacks and simultaneously drawing material from both for conversion. GlobalData’s report on Ranpak gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights Ranpak Holdings Corp - Company Profile

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According to GlobalData’s company profile on Ranpak, Smart factory applications was a key innovation area identified from patents. Ranpak's grant share as of February 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.

Efficient method for making dunnage product from two-ply stock

Source: United States Patent and Trademark Office (USPTO). Credit: Ranpak Holdings Corp

A recently granted patent (Publication Number: US11911994B2) discloses a method for making a dunnage product from a two-ply stock material. The process involves laying open a stack of single-ply fan-folded sheet stock material to create two sub-stacks, then using a dunnage conversion machine to draw material from both sub-stacks simultaneously, resulting in a two-ply sheet for dunnage production. The method includes steps such as inverting the upper portion of the stack, displacing it from the lower portion to form the sub-stacks, and maintaining a continuous connection between them during the process.

Furthermore, the patented method includes additional features such as connecting the two sub-stacks with an intermediate portion, drawing it into the conversion machine, and crumpling or gathering the sheet material during the conversion process. The method also involves supporting the sub-stacks in inclined orientations for efficient production. Overall, the patent outlines a detailed and innovative process for creating dunnage products from two-ply stock material, offering a unique approach to improving the efficiency and quality of dunnage production in various industries.

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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.