CH52167A
(en )
1911-11-01
Feed regulator for steam boilers
CH65209A
(en )
1914-06-01
Feed water preheater system for steam boilers
CH67847A
(en )
1915-01-16
Feed water preheater system for steam boilers
CH59247A
(en )
1913-05-02
Pressure regulator for heating boilers
AT71563B
(en )
1916-04-25
Preheater for boiler feed water.
CH56019A
(en )
1912-10-01
Food preheater for steam boilers
FR14086E
(en )
1911-09-11
Steam regulator
FR17839E
(en )
1913-12-01
Steam regulator
FR426031A
(en )
1911-06-26
Steam regulator
CH57113A
(en )
1912-12-16
Regulating tap for low pressure steam heating
CH53954A
(en )
1912-04-16
Purification apparatus for steam distilleries
FR428893A
(en )
1911-09-09
Non-explosive steam boiler
CH73330A
(en )
1916-09-16
Water level regulator for steam boilers
CH75844A
(en )
1917-10-01
Water level regulator for steam boilers
CH52461A
(en )
1911-11-16
Hydraulic regulator for turbines
CH62292A
(en )
1913-11-17
Smoke slide regulator for steam generation systems
AT57826B
(en )
1913-02-25
Regulating tap for low pressure steam heating.
CH65211A
(en )
1914-06-01
Steam collecting box for superheaters
DK15960C
(en )
1912-05-13
Feed water preheater for locomotive boilers.
AT75514B
(en )
1919-02-25
Water level regulator for steam boilers.
FR418219A
(en )
1910-12-03
Steam boilers
CH63421A
(en )
1914-02-02
Steam box for superheaters of heating tube boilers
FR459154A
(en )
1913-10-29
Self-adjusting steam superheater
AT52408B
(en )
1912-02-26
Regulator for marine engines.
FR419368A
(en )
1911-01-05
Heating regulator