Inventor

OFFERMANN LUDWIG

4 patents

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

STILL CARL GMBH CO KG

2 patents

US4296938AOct 27, 1981

Immersion-type seal for the standpipe opening of coke ovens

STILL CARL GMBH CO KG82 citations88

US4713148ADec 15, 1987

Light construction plug for coke oven doors

STILL CARL GMBH CO KG6 citations57

DIDIER OFU ENG

1 patent

US5259932ANov 9, 1993

Heating system for regenerative coke ovens

DIDIER OFU ENG3 citations56

STILL FA CARL

1 patent

US4265709AMay 5, 1981

Method and apparatus for separating gases and solids during the carbonization of coal

STILL FA CARL0 citations38