Inventor

HOFFMAN CHERISH M

US4 patents

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

KIFT JULIAN

2 patents

US9023197B2May 5, 2015

Methods for obtaining bitumen from bituminous materials

KIFT JULIAN2 citations54

US8968556B2Mar 3, 2015

Process for extracting bitumen and drying the tailings

KIFT JULIAN0 citations45

DUYVESTEYN WILLEM P C

2 patents

US8864982B2Oct 21, 2014

Methods for obtaining bitumen from bituminous materials

DUYVESTEYN WILLEM P C0 citations47

US8877044B2Nov 4, 2014

Methods for extracting bitumen from bituminous material

DUYVESTEYN WILLEM P C1 citations45