Inventor

LUTZ IRVIN H

US5 patents

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

DM INT INC

2 patents

US4604186AAug 5, 1986

Process for upgrading residuums by combined donor visbreaking and coking

DM INT INC22 citations80

US4586344AMay 6, 1986

Refrigeration process and apparatus

DM INT INC25 citations79

ALBERTA OIL SANDS TECH

1 patent

US4454023AJun 12, 1984

Process for upgrading a heavy viscous hydrocarbon

ALBERTA OIL SANDS TECH123 citations93

DAVY INC

1 patent

US4276120AJun 30, 1981

Purification of coke

DAVY INC23 citations79

MCKEE ARTHUR G &

1 patent

US4208307AJun 17, 1980

Purification of coke

MCKEE ARTHUR G &4 citations59