Assignee
CROWN IRON WORKS CO
US·44 granted patents·15 pending applications·595 citations·filing 1984–2025
Top patents by PatentIndex Score
59 records- 0193US8789773B2Recycling process for discarded roof shinglesCROWN IRON WORKS CO·Filed 2012·Granted Jul 29, 2014·43 cites·9 claims
- 0291US9399713B1Asphalt recovery system and processCROWN IRON WORKS CO·Filed 2012·Granted Jul 26, 2016·11 cites·9 claims
- 0390US6262285B1Process for dry synthesis and continuous separation of a fatty acid methyl ester reaction productCROWN IRON WORKS CO·Filed 1999·Granted Jul 17, 2001·80 cites·6 claims
- 0489US6996917B2Two stage apparatus for desolventizing food grain mealCROWN IRON WORKS CO·Filed 2002·Granted Feb 14, 2006·25 cites·11 claims
- 0588US6766595B2Apparatus and method for enhanced solvent recovery from solvent extracted materialCROWN IRON WORKS CO·Filed 2001·Granted Jul 27, 2004·27 cites·7 claims
- 0688US6279250B1Apparatus for enhanced solvent recovery from solvent extracted materialCROWN IRON WORKS CO·Filed 1999·Granted Aug 28, 2001·39 cites·7 claims
- 0787US9976597B2Bearing assembly for extractor systemsCROWN IRON WORKS CO·Filed 2015·Granted May 22, 2018·4 cites·23 claims
- 0885US7687648B2Biomass extracts with protein and nutritional valueCROWN IRON WORKS CO·Filed 2006·Granted Mar 30, 2010·9 cites·12 claims
- 0985US6732454B2Apparatus for extracting solvent from a mass of vegetable particlesCROWN IRON WORKS CO·Filed 2002·Granted May 11, 2004·27 cites·17 claims
- 1082US5727689ATreatment device for particulate materialsCROWN IRON WORKS CO·Filed 1996·Granted Mar 17, 1998·41 cites·3 claims
- 1180US6509051B1Process for removing residual solvent from solidsCROWN IRON WORKS CO·Filed 2000·Granted Jan 21, 2003·32 cites·5 claims
- 1279US4635380AMethod and apparatus for heat treating flowable materialsCROWN IRON WORKS CO·Filed 1984·Granted Jan 13, 1987·23 cites·9 claims
- 1377US5294002AAir separator with spiral stavesCROWN IRON WORKS CO·Filed 1993·Granted Mar 15, 1994·29 cites·10 claims
- 1476US7234512B2Heat exchanger with internal baffle and an external bypass for the baffleCROWN IRON WORKS CO·Filed 2005·Granted Jun 26, 2007·4 cites·15 claims
- 1574US7938345B2Dry milling corn fractionation processCROWN IRON WORKS CO·Filed 2009·Granted May 10, 2011·9 cites·9 claims
- 1674US7794548B2Ethanol process using pre-fermentation solids removalCROWN IRON WORKS CO·Filed 2007·Granted Sep 14, 2010·3 cites·12 claims
- 1774US2025090974A1Fractionation tray with adjustable open area for cleaning and/or throughput controlCROWN IRON WORKS CO·Filed 2024·Application pending·0 cites
- 1873US11389746B2Extractor arrangement for processing materials with finesCROWN IRON WORKS CO·Filed 2016·Granted Jul 19, 2022·1 cites·16 claims
- 1971US5630911AApparatus for continuous removal of a solvent or other liquid from solid particles or granulesCROWN IRON WORKS CO·Filed 1995·Granted May 20, 1997·25 cites·19 claims
- 2071US4751060AExtractorCROWN IRON WORKS CO·Filed 1985·Granted Jun 14, 1988·36 cites·10 claims
- 2171US2025145789A1Method of recovering polymer materialCROWN IRON WORKS CO·Filed 2024·Application pending·0 cites
- 2266US9511307B2ExtractorCROWN IRON WORKS CO·Filed 2013·Granted Dec 6, 2016·1 cites·12 claims
- 2366US5770082ASelf-purging extractorCROWN IRON WORKS CO·Filed 1996·Granted Jun 23, 1998·19 cites·20 claims
- 2465US2025066688A1Hydrothermal feedstock treatmentCROWN IRON WORKS CO·Filed 2024·Application pending·0 cites
- 2563US9709330B2Desolventizer toasterCROWN IRON WORKS CO·Filed 2013·Granted Jul 18, 2017·1 cites·8 claims
- 2662US4865633ASeparatorCROWN IRON WORKS CO·Filed 1988·Granted Sep 12, 1989·21 cites·6 claims
- 2762US2023242835A1Oleaginous material extraction using alcohol solventCROWN IRON WORKS CO·Filed 2021·Application pending·0 cites
- 2860US12157076B2Fractionation tray with adjustable open area for cleaning and/or throughput controlCROWN IRON WORKS CO·Filed 2019·Granted Dec 3, 2024·0 cites·15 claims
- 2960US2025320428A1Hydrothermal feedstock treatmentCROWN IRON WORKS CO·Filed 2025·Application pending·0 cites
- 3059US6945287B2Columnar seal for particle processing systemCROWN IRON WORKS CO·Filed 2003·Granted Sep 20, 2005·2 cites·11 claims
- 3158US2024400909A1Hydrothermal feedstock treatmentCROWN IRON WORKS CO·Filed 2024·Application pending·0 cites
- 3257US9591873B2DT vapor washCROWN IRON WORKS CO·Filed 2015·Granted Mar 14, 2017·0 cites·6 claims
- 3357US5884416AGrain dryer moduleCROWN IRON WORKS CO·Filed 1997·Granted Mar 23, 1999·11 cites·1 claims
- 3457US2025368916A1Alcohol pretreatment to remove water to prepare oleaginous material for subsequent alcohol-based solvent extractionCROWN IRON WORKS CO·Filed 2024·Application pending·0 cites
- 3556US5884769AParticulate material processing trayCROWN IRON WORKS CO·Filed 1997·Granted Mar 23, 1999·13 cites·13 claims
- 3656US2024286979A1Vapor recovery system with countercurrent and co-current absorbant flowCROWN IRON WORKS CO·Filed 2024·Application pending·0 cites
- 3755US2024066431A1Multi-stage desolventization of oleaginous material extracted with alcohol solventCROWN IRON WORKS CO·Filed 2023·Application pending·0 cites
- 3853US5181817AFastenerCROWN IRON WORKS CO·Filed 1991·Granted Jan 26, 1993·20 cites·5 claims
- 3952US5024148ACoating removal device for granular materialsCROWN IRON WORKS CO·Filed 1988·Granted Jun 18, 1991·14 cites·7 claims
- 4051US11976881B2Desolventizer toaster with convective current recycleCROWN IRON WORKS CO·Filed 2019·Granted May 7, 2024·0 cites·9 claims
- 4151US2020023287A1Miscella cleanup following extractionCROWN IRON WORKS CO·Filed 2019·Application pending·0 cites
- 4250US2024139649A1Alcohol solvent recovery for oleaginous material extractionCROWN IRON WORKS CO·Filed 2022·Application pending·0 cites
- 4349US10099155B2Screen for extractor systemCROWN IRON WORKS CO·Filed 2016·Granted Oct 16, 2018·0 cites·22 claims
- 4447US10899993B2Extractor having a solvent drainage zoneCROWN IRON WORKS CO·Filed 2016·Granted Jan 26, 2021·0 cites·14 claims
- 4547US10024417B2Gearbox with a three-point mounting that reduces gearbox distortionCROWN IRON WORKS CO·Filed 2015·Granted Jul 17, 2018·0 cites·8 claims
- 4646USRE37653EGrain dryer moduleCROWN IRON WORKS CO·Filed 1999·Granted Apr 16, 2002·7 cites·6 claims
- 4744US11925943B2Hydraulic shell-seed separatorCROWN IRON WORKS CO·Filed 2021·Granted Mar 12, 2024·0 cites·20 claims
- 4844US10668401B2Extractor with settling zone near solvent dischargeCROWN IRON WORKS CO·Filed 2016·Granted Jun 2, 2020·0 cites·11 claims
- 4944US10441905B2Extractor with screen washing systemCROWN IRON WORKS CO·Filed 2015·Granted Oct 15, 2019·0 cites·21 claims
- 5043US5131172AContactor for granular materialsCROWN IRON WORKS CO·Filed 1990·Granted Jul 21, 1992·8 cites·6 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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