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Inventor

Lee A. Littlejohn

Inventor
Humble, TX, US

Overview

2→
Patents
1986–2012
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Gprimary
C10GCracking hydrocarbon oils20%
E01HStreet cleaning20%
E02BHydraulic engineering20%
Y02ATechnologies for adaptation to climate change20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
8,101,086'Oil/water separation of full well stream by flocculation-demulsification process'20124,575,426'Method and apparatus employing oleophilic brushes for oil spill clean-up'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to EXXON PRODUCTION RESEARCH CO (1)· patent assignee history
1986Based in Houston, TX, US· patent location history
2012Patents assigned to EXXONMOBIL UPSTREAM RES CO (1)· patent assignee history
2012Patents assigned to LITTLEJOHN LEE A (1)· patent assignee history
2012Patents assigned to VARADARAJ RAMESH (1)· patent assignee history
2012Based in Humble, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON PRODUCTION RESEARCH CO11986
EXXONMOBIL UPSTREAM RES CO12012
LITTLEJOHN LEE Aself12012
VARADARAJ RAMESH12012
Locations
LocationPatentsSpan
Humble, Texas, US12012
Houston, Texas, US11986