Inventor

LUKASZEWICZ HELMUT

DE4 patents

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

RUHRKOHLE AG

2 patents

US4394217AJul 19, 1983

Apparatus for servicing coke ovens

RUHRKOHLE AG78 citations92

US4410399AOct 18, 1983

Self-sealing door assembly for a coke oven

RUHRKOHLE AG4 citations58

STILL CARL GMBH CO KG

1 patent

US4614567ASep 30, 1986

Method and apparatus for selective after-quenching of coke on a coke bench

STILL CARL GMBH CO KG102 citations91

KRUPP POLYSIUS AG

1 patent

US4741808AMay 3, 1988

Coke oven door

KRUPP POLYSIUS AG5 citations56