Inventor
WEISS HANS J
DE7 patents
⚠️ This page may combine multiple inventors who share the name “WEISS HANS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METALLGESELLSCHAFT AG
5 patentsUS4563264AJan 7, 1986
Method of dry distillation of volatile substances from mineral matter containing same
METALLGESELLSCHAFT AG10 citations71
US4419216ADec 6, 1983
Process of recovering oil from oil-containing materials
METALLGESELLSCHAFT AG10 citations70
US4431406AFeb 14, 1984
Rotary hearth furnace plant
METALLGESELLSCHAFT AG3 citations60
US4388174AJun 14, 1983
Process of recovering oil from oil-containing minerals
METALLGESELLSCHAFT AG4 citations59
US4659456AApr 21, 1987
Process of drying and heating oil-containing solids
METALLGESELLSCHAFT AG6 citations57