Inventor
Todd R. Steffens
Inventor
Randolph, NJ, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils45%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry28%
C07CAcyclic or carbocyclic compounds7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
B04CApparatus using free vortex flow, e.g. cyclones3%
B05BSpraying apparatus3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
7,670,478'FCC feed injection system'20107,594,993'FCC feed injection zone'20097,452,838'Controlling temperature in catalyst regenerators'20087,407,572'Feed injector'20087,374,660'Process 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 zone'20086,610,255'Vanadium removal in FCC by use of an outboard vessel'20036,602,403'Process for selectively producing high octane naphtha'20036,558,531'Method for maintaining heat balance in a fluidized bed catalytic cracking unit'20036,455,750'Process for selectively producing light olefins'20026,114,265'Combustion control in a fluid catalytic cracking regenerator'20005,389,231'Catalytic cracking process and apparatus therefor'19955,348,642'Catalytic cracking process with circulation of hot, regenerated catalyst to the stripping zone'19945,320,744'Positive evacuation of FCCU reactor dilute phase volume'19945,173,175'FCC feed injector'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2000Patents assigned to EXXON RESEARCH ENGINEERING CO (5)· patent assignee history
1992Based in Mine Hill, NJ, US· patent location history
1994–2003Based in Randolph, NJ, US· patent location history
2002–2008Patents assigned to EXXONMOBIL CHEM PATENTS INC (5)· patent assignee history
2003–2010Patents assigned to EXXONMOBIL RES & ENG CO (4)· patent assignee history
2003–2010Based in Centreville, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON RESEARCH ENGINEERING CO | 5 | 1992–2000 |
| EXXONMOBIL CHEM PATENTS INC | 5 | 2002–2008 |
| EXXONMOBIL RES & ENG CO | 4 | 2003–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Randolph, New Jersey, US | 7 | 1994–2003 |
| Centreville, Virginia, US | 6 | 2003–2010 |
| Mine Hill, New Jersey, US | 1 | 1992 |