ORTLOFF ENGINEERS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 595
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 4134
 
 
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 458
 
 
 
B01D SEPARATION 2132
 
 
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 240

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0377,341 HYDROCARBON GAS PROCESSING FEATURING A COMPRESSED REFLUX STREAM FORMED BY COMBINING A PORTION OF COLUMN RESIDUE GAS WITH A DISTILLATION VAPOR STREAM WITHDRAWN FROM THE SIDE OF THE COLUMNSep 08, 16Dec 29, 16[F25J]
2016/0069,610 HYDROCARBON GAS PROCESSINGAug 17, 15Mar 10, 16[F25J]
2015/0253,074 HYDROCARBON GAS PROCESSINGMay 18, 15Sep 10, 15[F25J]
2011/0067,441 Hydrocarbon Gas ProcessingAug 26, 10Mar 24, 11[F25J]
2011/0067,443 Hydrocarbon Gas ProcessingAug 26, 10Mar 24, 11[F25J]
2009/0293,538 NATURAL GAS LIQUEFACTIONJun 18, 09Dec 03, 09[F25J]
2008/0282,731 Liquefied Natural Gas ProcessingApr 01, 08Nov 20, 08[F25J, C07C]
2008/0078,205 Hydrocarbon Gas ProcessingAug 16, 07Apr 03, 08[F25J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9869510 Liquefied natural gas processingApr 01, 08Jan 16, 18[F25J, C10L]
9790147 Hydrocarbon processingAug 18, 14Oct 17, 17[C10G, F25J, C07C, B01D, C10L]
9783470 Hydrocarbon gas processingAug 18, 14Oct 10, 17[F25J, C10G, C07C, B01D, C10L]
9637428 Hydrocarbon gas processingAug 18, 14May 02, 17[F25J, C07C]
9476639 Hydrocarbon gas processing featuring a compressed reflux stream formed by combining a portion of column residue gas with a distillation vapor stream withdrawn from the side of the columnAug 26, 10Oct 25, 16[F25J]
9080810 Hydrocarbon gas processingMay 09, 06Jul 14, 15[F25J]
9080811 Hydrocarbon gas processingMar 04, 10Jul 14, 15[C10G, F25J]
9074814 Hydrocarbon gas processingMar 18, 11Jul 07, 15[C10G, F25J]
9068774 Hydrocarbon gas processingMar 21, 11Jun 30, 15[F25J]
9057558 Hydrocarbon gas processing including a single equipment item processing assemblyMar 22, 11Jun 16, 15[C10G, F25J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0287,982 Liquefied Natural Gas and Hydrocarbon Gas ProcessingAbandonedMay 15, 09Nov 18, 10[F25J]
2009/0282,865 Liquefied Natural Gas and Hydrocarbon Gas ProcessingAbandonedApr 14, 09Nov 19, 09[F25J]
6889523 LNG production in cryogenic natural gas processing plantsExpiredMar 07, 03May 10, 05[F25J]
6526777 LNG production in cryogenic natural gas processing plantsExpiredApr 20, 01Mar 04, 03[F25J]
5779507 Terminal device for interface socketsExpiredAug 01, 96Jul 14, 98[H01R]
4889545 Hydrocarbon gas processingExpiredNov 21, 88Dec 26, 89[F25J]
4869740 Hydrocarbon gas processingExpiredMay 17, 88Sep 26, 89[F25J]

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