Assignee
SONOCO PRODUCTS CO
US·173 granted patents·1 pending application·5,569 citations·filing 1971–2004
Top patents by PatentIndex Score
174 records- 0194US5335788ASelf-opening polyethylene bag stack and process for producing sameSONOCO PRODUCTS CO·Filed 1992·Granted Aug 9, 1994·144 cites·44 claims
- 0293US4840289ASpin-bonded all plastic can and method of forming sameSONOCO PRODUCTS CO·Filed 1988·Granted Jun 20, 1989·119 cites·7 claims
- 0391US5829669ATubular container and methods and apparatus for manufacturing sameSONOCO PRODUCTS CO·Filed 1997·Granted Nov 3, 1998·64 cites·13 claims
- 0491US5297697ACaulk cartridge with valve controlSONOCO PRODUCTS CO·Filed 1993·Granted Mar 29, 1994·79 cites·23 claims
- 0591USD307555SDispensing nozzle for plastic bagsSONOCO PRODUCTS CO·Filed 1987·Granted May 1, 1990·47 cites·1 claims
- 0690US5562580ASelf-opening polyethylene bag stack and process for producing sameSONOCO PRODUCTS CO·Filed 1994·Granted Oct 8, 1996·108 cites·10 claims
- 0790US5487506AEasy-open container having an improved reinforcing and tear stripSONOCO PRODUCTS CO·Filed 1994·Granted Jan 30, 1996·84 cites·13 claims
- 0890US5069355AEasy-opening composite closure for hermetic sealing of a packaging container by double seamingSONOCO PRODUCTS CO·Filed 1991·Granted Dec 3, 1991·152 cites·11 claims
- 0989US5543107ABlow molding a closed plastic drum including two speed compression molding of an integral handling ringSONOCO PRODUCTS CO·Filed 1995·Granted Aug 6, 1996·70 cites·13 claims
- 1088US5469619ATubular core assembly having inside-diameter reducing end members secured by mechanical interlocking memberSONOCO PRODUCTS CO·Filed 1994·Granted Nov 28, 1995·31 cites·8 claims
- 1188US5207368ADispensing apparatus for plastic bagsSONOCO PRODUCTS CO·Filed 1991·Granted May 4, 1993·36 cites·14 claims
- 1288US4690299ABulk carbonated beverage containerSONOCO PRODUCTS CO·Filed 1986·Granted Sep 1, 1987·121 cites·1 claims
- 1388USD243833SEnd closure for a containerSONOCO PRODUCTS CO·Filed 1975·Granted Mar 29, 1977·29 cites·1 claims
- 1487US4781572ASelf-regulating gate valve assembly for injection molding apparatusSONOCO PRODUCTS CO·Filed 1987·Granted Nov 1, 1988·62 cites·4 claims
- 1586US5875626AAdapter for rotatably supporting a yarn carrier in a winding assembly of a yarn processing machineSONOCO PRODUCTS CO·Filed 1997·Granted Mar 2, 1999·49 cites·3 claims
- 1686US4676378ABag packSONOCO PRODUCTS CO·Filed 1986·Granted Jun 30, 1987·100 cites·20 claims
- 1785US5431619AProcess and apparatus for forming an outwardly curled lip on cylindrical container bodySONOCO PRODUCTS CO·Filed 1993·Granted Jul 11, 1995·31 cites·25 claims
- 1885US5207367ADispensing containerSONOCO PRODUCTS CO·Filed 1991·Granted May 4, 1993·59 cites·25 claims
- 1985US5020750ASystem for automatic consecutive opening and dispensing thermoplastic grocery or retail product bagsSONOCO PRODUCTS CO·Filed 1989·Granted Jun 4, 1991·63 cites·16 claims
- 2085US4591090ACarton divider with partition interlockSONOCO PRODUCTS CO·Filed 1985·Granted May 27, 1986·78 cites·11 claims
- 2184US6341720B1Tri-closure dispensing topSONOCO PRODUCTS CO·Filed 2000·Granted Jan 29, 2002·43 cites·20 claims
- 2284US5586963ASingle-ply paperboard tube and method of forming sameSONOCO PRODUCTS CO·Filed 1994·Granted Dec 24, 1996·55 cites·19 claims
- 2384US5251809AEasy-open container for refrigerated dough products and the likeSONOCO PRODUCTS CO·Filed 1992·Granted Oct 12, 1993·77 cites·32 claims
- 2484US4981216AEasy opening bag pack and supporting rack system and fabricating methodSONOCO PRODUCTS CO·Filed 1990·Granted Jan 1, 1991·73 cites·19 claims
- 2584US4793539AThrough-counter dispensing system for plastic bagsSONOCO PRODUCTS CO·Filed 1987·Granted Dec 27, 1988·63 cites·18 claims
- 2683US5105943AWire coil packageSONOCO PRODUCTS CO·Filed 1991·Granted Apr 21, 1992·110 cites·18 claims
- 2783USD302522SBottleSONOCO PRODUCTS CO·Filed 1986·Granted Aug 1, 1989·41 cites·1 claims
- 2883US4696403ABottle bagSONOCO PRODUCTS CO·Filed 1986·Granted Sep 29, 1987·66 cites·3 claims
- 2982US5846619APolymeric liner ply for tubular containers and methods and apparatus for manufacturing sameSONOCO PRODUCTS CO·Filed 1997·Granted Dec 8, 1998·35 cites·15 claims
- 3082USD382446SContainerSONOCO PRODUCTS CO·Filed 1995·Granted Aug 19, 1997·26 cites·1 claims
- 3182USD359830SDrumSONOCO PRODUCTS CO·Filed 1993·Granted Jun 27, 1995·24 cites·1 claims
- 3282USD287572SBag packSONOCO PRODUCTS CO·Filed 1984·Granted Jan 6, 1987·20 cites·1 claims
- 3382US4529090ABag construction with mounting tabSONOCO PRODUCTS CO·Filed 1984·Granted Jul 16, 1985·50 cites·13 claims
- 3482US4098404AVacuum package with flexible endSONOCO PRODUCTS CO·Filed 1975·Granted Jul 4, 1978·57 cites·5 claims
- 3581US5340050ATubular core assembly having inside-diameter reducing end members secured by mechanical interlocking memberSONOCO PRODUCTS CO·Filed 1993·Granted Aug 23, 1994·23 cites·18 claims
- 3681US5190209APlastic chime overlay for fibre drumSONOCO PRODUCTS CO·Filed 1990·Granted Mar 2, 1993·56 cites·13 claims
- 3781US4930385ADispensing nozzle for plastic bagsSONOCO PRODUCTS CO·Filed 1989·Granted Jun 5, 1990·38 cites·12 claims
- 3881US4582735AImpregnated fibrous laminatesSONOCO PRODUCTS CO·Filed 1984·Granted Apr 15, 1986·40 cites·8 claims
- 3980US5494215AEasy-open container having directionally-oriented label tearSONOCO PRODUCTS CO·Filed 1994·Granted Feb 27, 1996·45 cites·13 claims
- 4080US5328142AConcrete column forming tubeSONOCO PRODUCTS CO·Filed 1992·Granted Jul 12, 1994·40 cites·6 claims
- 4180US5076440AEasy-open container having improved labelSONOCO PRODUCTS CO·Filed 1991·Granted Dec 31, 1991·59 cites·29 claims
- 4280US5024349ATube dispenser for flexible sheet materialSONOCO PRODUCTS CO·Filed 1989·Granted Jun 18, 1991·51 cites·10 claims
- 4380US4480750ABag constructionSONOCO PRODUCTS CO·Filed 1984·Granted Nov 6, 1984·54 cites·11 claims
- 4479US5505395AMulti-grade paperboard winding cores for yarns and films having enhanced resistance to inside diameter reductionSONOCO PRODUCTS CO·Filed 1994·Granted Apr 9, 1996·56 cites·40 claims
- 4579US5393010ATubular core assembly for winding paper and other sheet material having mechancially interlocked end membersSONOCO PRODUCTS CO·Filed 1993·Granted Feb 28, 1995·25 cites·18 claims
- 4679US4911560AEasy open bagSONOCO PRODUCTS CO·Filed 1989·Granted Mar 27, 1990·54 cites·21 claims
- 4779US4894268AStretch blow-molded polyethylene terephthalate wide mouth container and intermediate articleSONOCO PRODUCTS CO·Filed 1987·Granted Jan 16, 1990·48 cites·16 claims
- 4878US5775531AContainer for powdered product having a measuring cup device thereinSONOCO PRODUCTS CO·Filed 1997·Granted Jul 7, 1998·55 cites·7 claims
- 4977USD446722SThree closure dispensing cap for a containerSONOCO PRODUCTS CO·Filed 2000·Granted Aug 21, 2001·23 cites·1 claims
- 5077US5752614AEasy-opening closure for hermetic sealing a retortable containerSONOCO PRODUCTS CO·Filed 1996·Granted May 19, 1998·63 cites·18 claims
Showing the top 50 of 174 patent records by PatentIndex Score.
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