Assignee
STONE & WEBSTER PROCESS TECH
US·24 granted patents·2 pending applications·309 citations·filing 1994–2011
Top patents by PatentIndex Score
26 records- 0194US7479218B2Deep catalytic cracking processSTONE & WEBSTER PROCESS TECH·Filed 2005·Granted Jan 20, 2009·29 cites·1 claims
- 0284US7482502B2Process for cracking hydrocarbons using improved furnace reactor tubesSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted Jan 27, 2009·19 cites·27 claims
- 0382US7429363B2Riser termination deviceSTONE & WEBSTER PROCESS TECH·Filed 2005·Granted Sep 30, 2008·15 cites·18 claims
- 0481US6576805B2Cat cracker gas plant process for increased olefins recoverySTONE & WEBSTER PROCESS TECH·Filed 2001·Granted Jun 10, 2003·47 cites·15 claims
- 0580US8349753B2Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking unitsSTONE & WEBSTER PROCESS TECH·Filed 2011·Granted Jan 8, 2013·3 cites·16 claims
- 0678US7772449B2Removal of acid gases and sulfur compounds from hydrocarbon gas streams in a caustic towerSTONE & WEBSTER PROCESS TECH·Filed 2007·Granted Aug 10, 2010·8 cites·18 claims
- 0777US8383051B2Separating and stripping apparatus for external FCC risersSTONE & WEBSTER PROCESS TECH·Filed 2009·Granted Feb 26, 2013·8 cites·10 claims
- 0876US7591939B2Integrated desulfurization and FCC processSTONE & WEBSTER PROCESS TECH·Filed 2005·Granted Sep 22, 2009·10 cites·16 claims
- 0976US6905591B2Deep catalytic cracking processSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted Jun 14, 2005·12 cites·11 claims
- 1074US6395952B1Chemical absorption process for recovering olefins from cracked gasesSTONE & WEBSTER PROCESS TECH·Filed 1996·Granted May 28, 2002·43 cites·23 claims
- 1172US7793859B2Fluidized catalytic cracking feed nozzleSTONE & WEBSTER PROCESS TECH·Filed 2006·Granted Sep 14, 2010·8 cites·7 claims
- 1271US7744067B2Three phase vapor distributorSTONE & WEBSTER PROCESS TECH·Filed 2006·Granted Jun 29, 2010·5 cites·32 claims
- 1370US6576132B2Quench water pretreat processSTONE & WEBSTER PROCESS TECH·Filed 2002·Granted Jun 10, 2003·16 cites·21 claims
- 1468US7273543B2Process and apparatus for controlling catalyst temperature in a catalyst stripperSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted Sep 25, 2007·9 cites·23 claims
- 1568US6692552B2Riser termination deviceSTONE & WEBSTER PROCESS TECH·Filed 2002·Granted Feb 17, 2004·16 cites·27 claims
- 1665US6528027B1Cracking furance having radiant heating tubes the inlet and outlet legs of which are paired within the fireboxSTONE & WEBSTER PROCESS TECH·Filed 1998·Granted Mar 4, 2003·27 cites·5 claims
- 1758US6751527B2Heat and material balance method of process control for petrochemical plants and oil refineriesSTONE & WEBSTER PROCESS TECH·Filed 2001·Granted Jun 15, 2004·6 cites·13 claims
- 1855US7745365B2Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking unitsSTONE & WEBSTER PROCESS TECH·Filed 2007·Granted Jun 29, 2010·0 cites·14 claims
- 1952US7951739B2Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking unitsSTONE & WEBSTER PROCESS TECH·Filed 2010·Granted May 31, 2011·0 cites·8 claims
- 2049US6923940B2Riser termination deviceSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted Aug 2, 2005·3 cites·3 claims
- 2147US7048041B2Systems and apparatuses for stabilizing reactor furnace tubesSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted May 23, 2006·3 cites·20 claims
- 2246US2009269252A1Operation of catalyst withdrawal wells with packingSTONE & WEBSTER PROCESS TECH·Filed 2008·Application pending·0 cites
- 2345US2009203951A1Method and apparatus for capturing and using heat generated by the production of light olefinsSTONE & WEBSTER PROCESS TECH·Filed 2008·Application pending·0 cites
- 2444US6482312B1Particulate solids cracking apparatus and processSTONE & WEBSTER PROCESS TECH·Filed 1994·Granted Nov 19, 2002·7 cites·7 claims
- 2544US6297414B1Deep selective hydrogenation processSTONE & WEBSTER PROCESS TECH·Filed 1999·Granted Oct 2, 2001·13 cites·40 claims
- 2639US7402290B2Condensation reduction in fluid mixingSTONE & WEBSTER PROCESS TECH·Filed 2003·Granted Jul 22, 2008·2 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →