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Inventor

Reginald D. Humphreys

Inventor
Edmonton, CA

Overview

4→
Patents
1997–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C10Gprimary
C10GCracking hydrocarbon oils43%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs14%
B03DFlotation14%
C02FTreatment of water, waste water, sewage, or sludge14%
PatentTitleYear
5,985,138'Tar sands extraction process'19995,804,067'Apparatus for magnetic treatment of liquids'19985,770,049'Tar sands extraction process'19985,626,743'Tar sands extraction process'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to GEOPETROL EQUIPMENT LTD (3)· patent assignee history
1997–1999Based in Edmonton, CA· patent location history
1998Patents assigned to HYDROWORLD INTERNATIONAL CANAD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEOPETROL EQUIPMENT LTD31997–1999
HYDROWORLD INTERNATIONAL CANAD11998
Locations
LocationPatentsSpan
Edmonton, CA41997–1999