Inventor · disambiguated record
Todd R. Steffens
Also filed as: STEFFENS TODD R · STEFFENS TODD RICHARD
14 granted patents·2 pending applications·326 citations·filing 1990–2005
93Inventor score
Files withEXXON RESEARCH ENGINEERING CO5EXXONMOBIL CHEM PATENTS INC5EXXONMOBIL RES & ENG CO4STEFFENS TODD R1
Top patents by PatentIndex Score
16 records- 0191US6558531B2Method for maintaining heat balance in a fluidized bed catalytic cracking unitEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted May 6, 2003·64 cites·27 claims
- 0285US7407572B2Feed injectorEXXONMOBIL RES & ENG CO·Filed 2005·Granted Aug 5, 2008·14 cites·16 claims
- 0385US7374660B2Process for selectively producing C3 olefins in a fluid catalytic cracking process with recycle of a C4 fraction to a secondary reaction zone separate from a dense bed stripping zoneEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted May 20, 2008·23 cites·15 claims
- 0483US5348642ACatalytic cracking process with circulation of hot, regenerated catalyst to the stripping zoneEXXON RESEARCH ENGINEERING CO·Filed 1993·Granted Sep 20, 1994·47 cites·8 claims
- 0581US6455750B1Process for selectively producing light olefinsEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Sep 24, 2002·45 cites·6 claims
- 0679US6610255B1Vanadium removal in FCC by use of an outboard vesselEXXONMOBIL RES & ENG CO·Filed 2000·Granted Aug 26, 2003·19 cites·5 claims
- 0778US5173175AFcc feed injectorEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Dec 22, 1992·44 cites·18 claims
- 0877US7670478B2FCC feed injection systemEXXONMOBIL RES & ENG CO·Filed 2005·Granted Mar 2, 2010·8 cites·19 claims
- 0975US6602403B1Process for selectively producing high octane naphthaEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Aug 5, 2003·40 cites·12 claims
- 1048US6114265ACombustion control in a fluid catalytic cracking regeneratorEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Sep 5, 2000·11 cites·15 claims
- 1147US7594993B2FCC feed injection zoneEXXONMOBIL RES & ENG CO·Filed 2004·Granted Sep 29, 2009·1 cites·9 claims
- 1244US7452838B2Controlling temperature in catalyst regeneratorsEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Nov 18, 2008·0 cites·48 claims
- 1343US2006144757A1FCC feed injection for atomizing feedSTEFFENS TODD R·Filed 2005·Application pending·0 cites
- 1442US2002169350A1Process for selectively producing light olefinsFiled 2002·Application pending·0 cites
- 1541US5320744APositive evacuation of FCCU reactor dilute phase volumeEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Jun 14, 1994·7 cites·6 claims
- 1629US5389231ACatalytic cracking process and apparatus thereforEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Feb 14, 1995·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →