Assignee
BECHTEL GROUP INC
US·32 granted patents·809 citations·filing 1987–2003
Top patents by PatentIndex Score
32 records- 0190US5518828AThermal integration of an air-cooled fuel cell stackBECHTEL GROUP INC·Filed 1994·Granted May 21, 1996·73 cites·14 claims
- 0285US6196151B1Device and method for an independent module offshore mobile baseBECHTEL GROUP INC·Filed 1998·Granted Mar 6, 2001·34 cites·38 claims
- 0384US5596704AProcess flow diagram generatorBECHTEL GROUP INC·Filed 1993·Granted Jan 21, 1997·146 cites·6 claims
- 0482US5630862AMethod of providing fuel for an iron making processBECHTEL GROUP INC·Filed 1993·Granted May 20, 1997·31 cites·72 claims
- 0582US5259864AMethod of disposing of environmentally undesirable material and providing fuel for an iron making process e.g. petroleum cokeBECHTEL GROUP INC·Filed 1992·Granted Nov 9, 1993·36 cites·8 claims
- 0680US5338336AMethod of processing electric arc furnace dust and providing fuel for an iron making processBECHTEL GROUP INC·Filed 1993·Granted Aug 16, 1994·29 cites·21 claims
- 0780US4844840AMethod and structure for hazardous waste containmentBECHTEL GROUP INC·Filed 1987·Granted Jul 4, 1989·40 cites·20 claims
- 0879US7374742B2Direct sulfur recovery systemBECHTEL GROUP INC·Filed 2003·Granted May 20, 2008·22 cites·29 claims
- 0976US5470375AMethod of processing waste material containing non ferrous metal oxidesBECHTEL GROUP INC·Filed 1994·Granted Nov 28, 1995·26 cites·4 claims
- 1072US4913129ASolar receiver having wind loss protectionBECHTEL GROUP INC·Filed 1989·Granted Apr 3, 1990·41 cites·22 claims
- 1171US5413622AMethod of making hot metals with totally recycled gasBECHTEL GROUP INC·Filed 1993·Granted May 9, 1995·22 cites·8 claims
- 1269US5470445AElectrode cap with integral tank cover for acid mist collectionBECHTEL GROUP INC·Filed 1994·Granted Nov 28, 1995·22 cites·58 claims
- 1369US5380352AMethod of using rubber tires in an iron making processBECHTEL GROUP INC·Filed 1993·Granted Jan 10, 1995·23 cites·2 claims
- 1465US5397376AMethod of providing fuel for an iron making processBECHTEL GROUP INC·Filed 1993·Granted Mar 14, 1995·14 cites·39 claims
- 1564US5259865AVery low slag iron making processBECHTEL GROUP INC·Filed 1993·Granted Nov 9, 1993·13 cites·18 claims
- 1664US4939522AMethod and system for monitoring vehicle locationBECHTEL GROUP INC·Filed 1989·Granted Jul 3, 1990·30 cites·14 claims
- 1764US4804523AUse of seawater in flue gas desulfurizationBECHTEL GROUP INC·Filed 1987·Granted Feb 14, 1989·30 cites·16 claims
- 1860US5354356AMethod of providing fuel for an iron making processBECHTEL GROUP INC·Filed 1992·Granted Oct 11, 1994·11 cites·15 claims
- 1960US5320676ALow slag iron making process with injecting coolantBECHTEL GROUP INC·Filed 1993·Granted Jun 14, 1994·13 cites·26 claims
- 2058US5686056AMethods and apparatus for purifying hydrogen sulfideBECHTEL GROUP INC·Filed 1996·Granted Nov 11, 1997·19 cites·18 claims
- 2158US4932464AMethod and system for preheating combustion airBECHTEL GROUP INC·Filed 1989·Granted Jun 12, 1990·18 cites·13 claims
- 2254US5609738AElectrode cap with integral tank cover for acid mist collectionBECHTEL GROUP INC·Filed 1995·Granted Mar 11, 1997·13 cites·3 claims
- 2353US5289676AEfficient low temperature solvent removal of acid gasesBECHTEL GROUP INC·Filed 1993·Granted Mar 1, 1994·13 cites·5 claims
- 2449US5220782AEfficient low temperature solvent removal of acid gasesBECHTEL GROUP INC·Filed 1991·Granted Jun 22, 1993·16 cites·19 claims
- 2548US5558696AMethod of direct steel making from liquid ironBECHTEL GROUP INC·Filed 1993·Granted Sep 24, 1996·8 cites·8 claims
- 2646US6197088B1Producing liquid iron having a low sulfur contentBECHTEL GROUP INC·Filed 1999·Granted Mar 6, 2001·6 cites·19 claims
- 2746US5989414ASelf-adjusting surface fluid extraction nozzleBECHTEL GROUP INC·Filed 1998·Granted Nov 23, 1999·15 cites·27 claims
- 2844US5429658AMethod of making iron from oily steel and iron ferrous wasteBECHTEL GROUP INC·Filed 1994·Granted Jul 4, 1995·5 cites·16 claims
- 2942US4906388ASewage sludge dewatering processBECHTEL GROUP INC·Filed 1988·Granted Mar 6, 1990·16 cites·19 claims
- 3041US5148681APassive emergency ventilation systemBECHTEL GROUP INC·Filed 1990·Granted Sep 22, 1992·19 cites·23 claims
- 3125US4953356AGeothermal reboiler apparatus and methodBECHTEL GROUP INC·Filed 1989·Granted Sep 4, 1990·4 cites·12 claims
- 3223US5066310AMethod for recovering light hydrocarbons from coal agglomeratesBECHTEL GROUP INC·Filed 1990·Granted Nov 19, 1991·1 cites·23 claims
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