Ranpak Corp.
🏢 View company profile →279Patents
103Active
279Granted
48Portfolio score
Filing activity: May 1, 1975 → Apr 19, 2023 · 23 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4717613A | Mechanism and method for producing cushioning dunnage | Emerging Cross-Sectional Technologies | 139 | Expired |
| US7452316B2 | Packing product and apparatus and method for manufacturing same | Performing Operations; Transporting | 136 | Expired |
| US4750896A | Method and mechanism for producing cushioning dunnage product | Emerging Cross-Sectional Technologies | 127 | Expired |
| US4026198A | Cushioning dunnage mechanism, transfer cart therefor, and method | Emerging Cross-Sectional Technologies | 124 | Expired |
| US5123889A | Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine | Emerging Cross-Sectional Technologies | 121 | Expired |
| US4968291A | Stitching gear assembly having perforating projections thereon, for use in converter adapted to produce pad-like cushioning material, and method | Performing Operations; Transporting | 109 | Expired |
| US5173352A | Resilient packing product and method and apparatus for making the same | Emerging Cross-Sectional Technologies | 99 | Expired |
| US4557716A | Mechanism for producing pad-like cushioning dunnage from sheet material | Emerging Cross-Sectional Technologies | 98 | Expired |
| US4650456A | Mechanism for producing pad-like cushioning dunnage product from sheet material with separate stock roll cart | Emerging Cross-Sectional Technologies | 93 | Expired |
| US4237776A | Cushioning dunnage mechanism | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5322477A | Downsized cushioning dunnage conversion machine and packaging systems employing the same | Emerging Cross-Sectional Technologies | 88 | Expired |
| US4619635A | Automatic feed circuit for dunnage converter | Performing Operations; Transporting | 86 | Expired |
| US4884999A | Dunnage converter for producing narrow width cushioning pad product, conversion kit thereof, and method | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4085662A | Method of making and using cushioning dunnage material | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5188581A | Method for producing a narrow width cushioning paper product | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4699609A | Electric cutter mechanism for dunnage converter | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4937131A | Cushioning dunnage pad with stitching perforations | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4109040A | Cushioning dunnage product produced from cushioning dunnage mechanism | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5403259A | Resilient packing product and method and apparatus for making same | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4314865A | Method of making cushioning dunnage | Emerging Cross-Sectional Technologies | 65 | Expired |
| US5712020A | Resilient packing product and method and apparatus for making the same | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5211620A | Edge-tension controlling device for a cushioning conversion machine | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5906569A | Conversion machine and method for making folded strips | Performing Operations; Transporting | 54 | Expired |
| US5387173A | Fan-folded stock material for use with a cushioning conversion machine | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5573491A | Method and apparatus for producing a resilient product | Emerging Cross-Sectional Technologies | 52 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.