Assignee
ENVIRONMENTAL PROD
US·21 granted patents·1,333 citations·filing 1982–1997
Top patents by PatentIndex Score
21 records- 0196US4919534ASensing of material of construction and color of containersENVIRONMENTAL PROD·Filed 1988·Granted Apr 24, 1990·112 cites·17 claims
- 0292US5557721AMethod and apparatus for display screens and couponsENVIRONMENTAL PROD·Filed 1993·Granted Sep 17, 1996·394 cites·15 claims
- 0392US4573641AGlass bottle collection and crushing apparatusENVIRONMENTAL PROD·Filed 1983·Granted Mar 4, 1986·78 cites·4 claims
- 0487US4469212AContainer collection apparatus with piston-actuated crusherENVIRONMENTAL PROD·Filed 1982·Granted Sep 4, 1984·32 cites·6 claims
- 0584US5465822ACommodity densification assembly having a multiple path distribution deviceENVIRONMENTAL PROD·Filed 1994·Granted Nov 14, 1995·73 cites·40 claims
- 0684US5355987ASingle station reverse vending machineENVIRONMENTAL PROD·Filed 1993·Granted Oct 18, 1994·63 cites·40 claims
- 0781US4492295AAutomated redemption center for metal containersENVIRONMENTAL PROD·Filed 1982·Granted Jan 8, 1985·54 cites·13 claims
- 0879US5502559AApparatus and method for detection of material used in construction of containers and color of sameENVIRONMENTAL PROD·Filed 1994·Granted Mar 26, 1996·51 cites·21 claims
- 0979US5226519AMultiple use commodity collection and storage systemENVIRONMENTAL PROD·Filed 1992·Granted Jul 13, 1993·113 cites·24 claims
- 1079US4440284AAutomated aluminum can redemption center for direct return deposit payoutENVIRONMENTAL PROD·Filed 1982·Granted Apr 3, 1984·49 cites·13 claims
- 1178US5560552AContainer cutting assemblyENVIRONMENTAL PROD·Filed 1993·Granted Oct 1, 1996·32 cites·44 claims
- 1273US5630493AAcceptance assembly for a reverse vending machineENVIRONMENTAL PROD·Filed 1994·Granted May 20, 1997·43 cites·19 claims
- 1373US5477953AFilter and filter cleaning system for a reverse vending machineENVIRONMENTAL PROD·Filed 1993·Granted Dec 26, 1995·38 cites·22 claims
- 1467US5441160AMethod of collecting densified commodities using a mobile multi-compartment commodity collection and storage assemblyENVIRONMENTAL PROD·Filed 1993·Granted Aug 15, 1995·27 cites·16 claims
- 1565US5068835AAcoustic holographic array measurement device and related materialENVIRONMENTAL PROD·Filed 1990·Granted Nov 26, 1991·25 cites·16 claims
- 1665US4784251AReverse vending machineENVIRONMENTAL PROD·Filed 1987·Granted Nov 15, 1988·56 cites·23 claims
- 1753US5435445AMethod of operating a reverse vending machineENVIRONMENTAL PROD·Filed 1993·Granted Jul 25, 1995·20 cites·46 claims
- 1853US5028870ASensor system method and apparatus for discrimination of metallic objects based on a variation in self inductanceENVIRONMENTAL PROD·Filed 1989·Granted Jul 2, 1991·16 cites·16 claims
- 1947US5695039AMethod for determining a characteristic of a materialENVIRONMENTAL PROD·Filed 1995·Granted Dec 9, 1997·27 cites·14 claims
- 2046US5593017AMethod and apparatus for identifying information contained in surface deviationsENVIRONMENTAL PROD·Filed 1994·Granted Jan 14, 1997·18 cites·23 claims
- 2143US5921372AMultiple chambered container compaction assembly with diverterENVIRONMENTAL PROD·Filed 1997·Granted Jul 13, 1999·12 cites·26 claims
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