Dust collector for gases, especially for flue gases
DE480428C
Device for deep rolling pipes with cylindrical work rolls and conical mandrel
DE511113C
Pipe roller
DE500754C
Gate valve
DE504495C
Method and device for rolling in boiler tubes
DE472541C
Method and device for equalizing the water levels in the upper drums of three and multiple drum steep-tube boilers, which are at approximately the same height
DE475436C
Dedusting device for flue gases u. like
DE434092C
Steep tube boiler
DE453124C
Device for rolling in pipes
DE424864C
Steep tube boiler
DE413194C
Steep tube boiler with curved water pipes, especially for high pressures
DE394514C
Gate valve with double locking plates pressed against the front surfaces by toggle levers in the locked position
DE396650C
Process for heating water pipes by means of heating gas flows flowing along the pipes
DE376104C
Heat exchange device, consisting of pipe coils with U-shaped bent legs
DE393796C
Feed water preheater heated by exhaust gases with pipes arranged between two collectors
DE360013C
Plow with rotating shovel share
DE427726C
Chamber water tube boiler (sectional boiler) with parallel chambers, specifically for high pressures
DE362180C
Gate valve with closing plate pressed against the seat surface by toggle pressure in the closed position
