Inventor

HANSON JAMES S

US2 patents

⚠️ This page may combine multiple inventors who share the name “HANSON JAMES S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARATHON OIL CANADA CORP

1 patent

US7909989B2Mar 22, 2011

Method for obtaining bitumen from tar sands

MARATHON OIL CANADA CORP38 citations89

BHP MINERALS INT INC

1 patent

US6007709ADec 28, 1999

Extraction of bitumen from bitumen froth generated from tar sands

BHP MINERALS INT INC122 citations89