Inventor
Subramanian Annamalai
Inventor
Houston, TX, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils67%
Y02PClimate change mitigation technologies in the production or processing of goods17%
B01DSeparation8%
B08BCleaning in general8%
PatentTitleYear
10,336,945Process and apparatus for decoking a hydrocarbon steam cracking furnace20199,828,554Process and apparatus for decoking a hydocarbon steam cracking furnace20178,684,384'Process for cracking a heavy hydrocarbon feedstream'20148,057,640'Deasphalting tar using stripping tower'20117,998,281'Apparatus and method of cleaning a transfer line heat exchanger tube'20117,846,324'Use of heat exchanger in a process to deasphalt tar'20107,767,008'Vapor/liquid separation apparatus'20107,670,573'Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids'20107,560,020'Deasphalting tar using stripping tower'20097,553,460'Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation'20097,544,852'Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace'20097,481,871'Vapor/liquid separation apparatus'20097,351,872'Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace'20087,312,371'Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors'20077,244,871'Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids'20077,193,123'Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2014Patents assigned to EXXONMOBIL CHEM PATENTS INC (14)· patent assignee history
2007–2011Based in Houston, TX, US· patent location history
2007–2014Based in Singapore, SG· patent location history
2011–2014Patents assigned to ANNAMALAI SUBRAMANIAN (2)· patent assignee history
2014Patents assigned to FRYE JAMES M (1)· patent assignee history
2017–2019Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (2)· patent assignee history
2017Patents assigned to EXXONMOBIL CHEMICAL PATENT INC (1)· patent assignee history
2017–2019Based in Choa Chu Kang, SG· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXONMOBIL CHEM PATENTS INC | 14 | 2007–2014 |
| ANNAMALAI SUBRAMANIANself | 2 | 2011–2014 |
| EXXONMOBIL CHEMICAL PATENTS INC | 2 | 2017–2019 |
| EXXONMOBIL CHEMICAL PATENT INC | 1 | 2017 |
| FRYE JAMES M | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 8 | 2007–2011 |
| Singapore, SG | 6 | 2007–2014 |
| Choa Chu Kang, SG | 2 | 2017–2019 |