Bechtel International Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 656
 
  
 
B01D SEPARATION 1133
 
  
 
F03G SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR 118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6413414 Process for separation of dewaxed lube oil into light and heavy productsMay 04, 00Jul 02, 02[C10G]
6367258 Method and apparatus for vaporizing liquid natural gas in a combined cycle power plantJul 21, 00Apr 09, 02[F03G]
5370788 Wax conversion processDec 18, 92Dec 06, 94[C10G]
5332490 Catalytic process for dewaxing hydrocarbon feedstocksSep 28, 92Jul 26, 94[C10G]
5242579 Control method for solvent refining lubricating oilsApr 01, 91Sep 07, 93[C10G]
5213696 Automatic dewaxing filter washing system and methodDec 23, 91May 25, 93[B01D]
5178750 Lubricating oil processJun 20, 91Jan 12, 93[C10G]
5171426 Control method for solvent refining lubricating oilsApr 01, 91Dec 15, 92[C10G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0088,709 System and Methods for Intergrating Data Into a Network Planning ToolAbandonedOct 03, 06Apr 19, 07[G06F]
2005/0235,595 Systems and methods for modular construction of large structuresAbandonedApr 22, 04Oct 27, 05[E04H]
6355088 Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slagsExpiredOct 14, 99Mar 12, 02[C21B]
6260464 In-situ implosion for destruction of dangerous materialsExpiredDec 03, 98Jul 17, 01[F42B]
5433053 Barbed tee fastenerExpiredMay 20, 93Jul 18, 95[E04C]
5391286 Process for catalytic dewaxing of hydrocarbon feedstocksExpiredNov 03, 93Feb 21, 95[C10G]
5041206 Solvent extraction of lubricating oilsExpiredNov 20, 89Aug 20, 91[C10G]
5039399 Solvent extraction of lubricating oilsExpiredNov 20, 89Aug 13, 91[C10G]
5006222 Solvent dewaxing of lubricating oilsExpiredMay 23, 90Apr 09, 91[C10G]
4885062 Lube oil solvent dewaxing control systemExpiredJun 20, 88Dec 05, 89[C10G]
4866632 Control means and method for solvent refining unitExpiredNov 16, 87Sep 12, 89[G06F, C10G]
4861043 Pressure/compression concrete joint sealExpiredJan 11, 88Aug 29, 89[E01C, F16J]
4704050 J-configured offshore oil production riserExpiredJan 16, 84Nov 03, 87[F16L, E21B]
4643462 Double-looped rotatable coupler with tension stabilizerExpiredJan 24, 86Feb 17, 87[F16L]
4632604 Frozen island and method of making the sameExpiredAug 08, 84Dec 30, 86[E02D]
4623523 Method for reduction of SO.sub.2 emission for fossil fired boilerExpiredMar 18, 85Nov 18, 86[C01B]
4620672 Apparatus and method for converting pipeline fine coal slurry to coal water mixture suitable for direct combustion in boilersExpiredFeb 04, 85Nov 04, 86[B02C]
4620688 Energy absorbing apparatus for piping system and the likeExpiredJan 06, 84Nov 04, 86[F16L]
4616955 Method and apparatus for encasing pipeline or cableExpiredOct 18, 84Oct 14, 86[F16L]
4597595 Swivel-less coupling apparatusExpiredFeb 26, 85Jul 01, 86[F16L]

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