CH49139A
(en )
1911-01-02
Innovation in ovens with hot water heating
CH46287A
(en )
1910-02-16
Cooking stove with facility for hot water heating
CH51607A
(en )
1911-09-16
Hot water boiler with indirect heating
CH48804A
(en )
1910-12-01
Cooking stove with heating device
DK10640C
(en )
1908-03-16
Stove with device for hot water heating.
CH53905A
(en )
1912-04-01
Cooking stove with heating device
CH59305A
(en )
1913-05-02
Cooking stove with heating device
DK16917C
(en )
1913-01-27
Water heater with flat heating surfaces.
FR403504A
(en )
1909-11-06
Hot water central heating with thermo-siphon
CH42282A
(en )
1909-03-01
Hot water boiler with electric heating
AT57829B
(en )
1913-02-25
Hot water rapid circulation heating.
CH41096A
(en )
1908-09-16
Bath heater with hot water line
DK10659C
(en )
1908-03-23
Hot water heater.
FR406305A
(en )
1910-01-27
Fast circulation hot water heating
CH45591A
(en )
1910-02-16
Central heating stove
CH63312A
(en )
1914-01-16
Cooking box with heating device
FR393894A
(en )
1909-01-08
Hot water heating
AT25788B
(en )
1906-09-25
Mobile field kitchen with steam heating.
AT75601B
(en )
1919-02-25
Water heater with hot and warm water boiler.
FR384716A
(en )
1908-04-18
Hot water heating with accelerated circulation
FR406923A
(en )
1910-02-15
Heating boiler
CH38464A
(en )
1907-10-31
Oven with indirect heating
CH39342A
(en )
1908-02-17
Hot water element radiator with heating device
AT28038B
(en )
1907-04-10
Hot water heating.
FI4889A
(en )
1912-06-18
For the stove for heating irons and presses