Curwood, Inc.
81Patents
46Active
81Granted
47Portfolio score
Filing activity: Apr 19, 1979 → Jun 27, 2013 · 34 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6815023B1 | Puncture resistant polymeric films, blends and process | Emerging Cross-Sectional Technologies | 74 | Expired |
| US7422782B2 | Peelable/resealable packaging film | Emerging Cross-Sectional Technologies | 67 | Active |
| US4944409A | Easy open package | Emerging Cross-Sectional Technologies | 67 | Expired |
| US7017774B2 | Tray with built in utensil | Performing Operations; Transporting | 64 | Expired |
| USRE37171E | Easy open package | General | 62 | Expired |
| US8474368B2 | Mineral composite beverage brewing cup and cartridge | Human Necessities | 54 | Active |
| USD695107S1 | Three compartment tray | General | 48 | Active |
| US4421823A | Flexible wrapping material and method of manufacture | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6316067A | Cheese package, film, bag and process for packaging a CO2 respiring foodstuff | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5464969A | Self-venting microwaveable package and method of manufacture | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4897985A | Continuous motion package forming machine | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6777046B1 | Puncture resistant, high shrink films, blends, and process | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6964816B2 | Packaging films containing coextruded polyester and nylon layers | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6206569A | Puncture-resistant barrier pouch | Performing Operations; Transporting | 23 | Expired |
| US6015235A | Puncture-resistant barrier pouch | Performing Operations; Transporting | 22 | Expired |
| US6511688B2 | Cheese package, film, bag and process for packaging a CO2 respiring foodstuff | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7527839B2 | Easy open heat-shrinkable packaging | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD261988S | Packaging container | General | 19 | Expired |
| US7927679B2 | Easy-open reclosable films having an interior frangible interface and articles made therefrom | Emerging Cross-Sectional Technologies | 19 | Active |
| US6861127B2 | Thermoformable multi-layer film | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6749910B1 | Bag for bone-in meat packing | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7276269B2 | Frangible heat-sealable films for cook-in applications and packages made thereof | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6869686B1 | Irradiated biaxially oriented film | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6773820B1 | Thermoplastic C2-&agr;-olefin copolymer blends and films | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4915283A | Clamping arrangement for gripping and carrying web material | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.