CH53166A
(en )
1912-02-01
Electrically heated steam boiler for train heating
FR435775A
(en )
1912-03-09
Disconnected boiler for heating
CH56019A
(en )
1912-10-01
Food preheater for steam boilers
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
CH47083A
(en )
1910-05-16
Articulated boiler for hot water heating
CH51607A
(en )
1911-09-16
Hot water boiler with indirect heating
FR427387A
(en )
1911-08-02
Boiler for heating homes
CH51172A
(en )
1911-08-01
Locomotive boiler with heating tube superheater
CH58280A
(en )
1913-03-01
Heating device on steam boilers
NL1632C
(en )
1916-10-16
Improved steam heater
CH52663A
(en )
1911-12-16
Electric heating device for generating steam in steam boilers
AT73076B
(en )
1917-02-10
Steam heating device for railroad cars.
FI5798A
(en )
1914-06-09
Steam boiler heat equalizer
CH73896A
(en )
1917-05-01
CH steam heating system
FR406923A
(en )
1910-02-15
Heating boiler
CH54803A
(en )
1912-06-17
Hot water heating for remote operation
CH57693A
(en )
1913-02-01
Locomotive boiler with heating tube superheater
FR417783A
(en )
1910-11-22
Slag heated steam generator
CH80013A
(en )
1919-02-01
Electrically heated steam boiler system
FR18946E
(en )
1914-08-07
Heating by steam circulation
CH67312A
(en )
1914-12-01
Steam boiler
FI5687A
(en )
1914-03-26
Device for steam boilers
CH50341A
(en )
1911-05-16
Steam cooker
CH54804A
(en )
1912-06-17
Low pressure steam heating
DK27293C
(en )
1921-03-14
Steam heater for railway wagons.