Assignee
CURWOOD INC
US·52 granted patents·12 pending applications·1,762 citations·filing 1979–2013
Top patents by PatentIndex Score
64 records- 0196US4863769APuncture resistant, heat-shrinkable films containing very low density polyethyleneCURWOOD INC·Filed 1987·Granted Sep 5, 1989·134 cites·36 claims
- 0295US7927679B2Easy-open reclosable films having an interior frangible interface and articles made therefromCURWOOD INC·Filed 2005·Granted Apr 19, 2011·27 cites·8 claims
- 0395US6815023B1Puncture resistant polymeric films, blends and processCURWOOD INC·Filed 1999·Granted Nov 9, 2004·139 cites·105 claims
- 0494US6511688B2Cheese package, film, bag and process for packaging a CO2 respiring foodstuffCURWOOD INC·Filed 2001·Granted Jan 28, 2003·61 cites·35 claims
- 0594US6316067B1Cheese package, film, bag and process for packaging a CO2 respiring foodstuffCURWOOD INC·Filed 1994·Granted Nov 13, 2001·71 cites·63 claims
- 0692US7867531B2Myoglobin blooming agent containing shrink films, packages and methods for packagingCURWOOD INC·Filed 2006·Granted Jan 11, 2011·10 cites·6 claims
- 0791US8029893B2Myoglobin blooming agent, films, packages and methods for packagingCURWOOD INC·Filed 2006·Granted Oct 4, 2011·15 cites·24 claims
- 0891US7422782B2Peelable/resealable packaging filmCURWOOD INC·Filed 2005·Granted Sep 9, 2008·95 cites·41 claims
- 0991US7017774B2Tray with built in utensilCURWOOD INC·Filed 2002·Granted Mar 28, 2006·80 cites·16 claims
- 1091US4944409AEasy open packageCURWOOD INC·Filed 1988·Granted Jul 31, 1990·103 cites·17 claims
- 1190USD695107SThree compartment trayCURWOOD INC·Filed 2013·Granted Dec 10, 2013·52 cites·1 claims
- 1290US8053047B2Packaging method that causes and maintains the preferred red color of fresh meatCURWOOD INC·Filed 2005·Granted Nov 8, 2011·13 cites·22 claims
- 1389US6964816B2Packaging films containing coextruded polyester and nylon layersCURWOOD INC·Filed 2002·Granted Nov 15, 2005·40 cites·85 claims
- 1488US7527839B2Easy open heat-shrinkable packagingCURWOOD INC·Filed 2003·Granted May 5, 2009·35 cites·60 claims
- 1588USRE37171EEasy open packageCURWOOD INC·Filed 1993·Granted May 8, 2001·86 cites·18 claims
- 1688US4897985AContinuous motion package forming machineCURWOOD INC·Filed 1988·Granted Feb 6, 1990·58 cites·10 claims
- 1786US6861125B1Thermoformable film lamination containing a flexible polyamide coextrusionCURWOOD INC·Filed 2001·Granted Mar 1, 2005·36 cites·15 claims
- 1883US7276269B2Frangible heat-sealable films for cook-in applications and packages made thereofCURWOOD INC·Filed 2003·Granted Oct 2, 2007·23 cites·47 claims
- 1982US7147930B2Heat-shrinkable packaging films with improved sealing properties and articles made thereofCURWOOD INC·Filed 2003·Granted Dec 12, 2006·20 cites·36 claims
- 2082US5464969ASelf-venting microwaveable package and method of manufactureCURWOOD INC·Filed 1994·Granted Nov 7, 1995·68 cites·10 claims
- 2181US8039070B1Easy open bag and film for use in thermally processing food at elevated temperaturesCURWOOD INC·Filed 2009·Granted Oct 18, 2011·18 cites·37 claims
- 2281US6777046B1Puncture resistant, high shrink films, blends, and processCURWOOD INC·Filed 1999·Granted Aug 17, 2004·49 cites·107 claims
- 2380US8802204B2Packaging inserts with myoglobin blooming agents, packages and methods of packagingCURWOOD INC·Filed 2013·Granted Aug 12, 2014·2 cites·21 claims
- 2480US6869686B1Irradiated biaxially oriented filmCURWOOD INC·Filed 2000·Granted Mar 22, 2005·28 cites·97 claims
- 2578US6206569B1Puncture-resistant barrier pouchCURWOOD INC·Filed 1999·Granted Mar 27, 2001·53 cites·5 claims
- 2677US9242431B2Pattern laminated double wall plastic web from heat shrinkable and non-heat shrinkable filmsCURWOOD INC·Filed 2013·Granted Jan 26, 2016·8 cites·16 claims
- 2777US7841633B2Package pick-off and delivery deviceCURWOOD INC·Filed 2008·Granted Nov 30, 2010·15 cites·30 claims
- 2877US7029734B1Packaging film, package and process for aseptic packagingCURWOOD INC·Filed 2002·Granted Apr 18, 2006·29 cites·21 claims
- 2977US4915283AClamping arrangement for gripping and carrying web materialCURWOOD INC·Filed 1988·Granted Apr 10, 1990·38 cites·16 claims
- 3077US4421823AFlexible wrapping material and method of manufactureCURWOOD INC·Filed 1982·Granted Dec 20, 1983·69 cites·12 claims
- 3177USD261988SPackaging containerCURWOOD INC·Filed 1979·Granted Nov 24, 1981·19 cites·1 claims
- 3275US7279206B2Packaging laminates and articles made therefromCURWOOD INC·Filed 2005·Granted Oct 9, 2007·7 cites·40 claims
- 3374US6291041B1Heat resistant nylon multi-layer filmCURWOOD INC·Filed 1999·Granted Sep 18, 2001·37 cites·10 claims
- 3474US6015235APuncture-resistant barrier pouchCURWOOD INC·Filed 1998·Granted Jan 18, 2000·46 cites·36 claims
- 3573US7201966B2Packaging films containing coextruded polyester and nylon layersCURWOOD INC·Filed 2004·Granted Apr 10, 2007·13 cites·75 claims
- 3672US7993560B2Process for introducing an additive into a polymer meltCURWOOD INC·Filed 2006·Granted Aug 9, 2011·1 cites·6 claims
- 3768US7504142B2Packaging laminates and articles made therefromCURWOOD INC·Filed 2007·Granted Mar 17, 2009·6 cites·40 claims
- 3866US8047368B2Vacuum skin packaging laminate, package and process for using sameCURWOOD INC·Filed 2008·Granted Nov 1, 2011·1 cites·8 claims
- 3965US6861127B2Thermoformable multi-layer filmCURWOOD INC·Filed 1999·Granted Mar 1, 2005·27 cites·35 claims
- 4064US6777047B1Ionomeric, puncture resistant, thermoplastic bagCURWOOD INC·Filed 2000·Granted Aug 17, 2004·6 cites·23 claims
- 4164US6749910B1Bag for bone-in meat packingCURWOOD INC·Filed 1998·Granted Jun 15, 2004·30 cites·4 claims
- 4263US5184997AEasy-open case taping method and apparatusCURWOOD INC·Filed 1988·Granted Feb 9, 1993·20 cites·5 claims
- 4361US4944442AWeb retention and advancement mechanismCURWOOD INC·Filed 1988·Granted Jul 31, 1990·12 cites·13 claims
- 4460US7762047B2Food article packaging apparatus and methodCURWOOD INC·Filed 2006·Granted Jul 27, 2010·4 cites·15 claims
- 4558US6773820B1Thermoplastic C2-α-olefin copolymer blends and filmsCURWOOD INC·Filed 1998·Granted Aug 10, 2004·20 cites·20 claims
- 4656US6709687B2Anti-transfer film and packageCURWOOD INC·Filed 2001·Granted Mar 23, 2004·7 cites·26 claims
- 4751US7493742B2Rotational control assembly in packaging machinesCURWOOD INC·Filed 2007·Granted Feb 24, 2009·2 cites·9 claims
- 4851US2007202337A1Dimensionally stable packaging film and articles made therefromCURWOOD INC·Filed 2006·Application pending·0 cites
- 4950US2007031546A1Polyester and polyamide blend containing article for packaging a CO2 respiring foodstuffCURWOOD INC·Filed 2005·Application pending·0 cites
- 5049US7628391B2Taped bag feederCURWOOD INC·Filed 2006·Granted Dec 8, 2009·2 cites·18 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when CURWOOD INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →