SU6260A1
(en )
1928-08-31
Brick for heating devices (stoves, heaters, etc.)
SU16850A1
(en )
1930-09-30
Central heating boiler
DK40311C
(en )
1929-06-17
Grating device for Central heating stoves.
DK36464C
(en )
1926-08-30
Boiler for Central heating system.
CH96624A
(en )
1923-05-01
Central heating boiler.
DK48160C
(en )
1933-12-18
Control device for Heaters, especially for Central heating systems.
DK35591C
(en )
1926-02-08
Water heater for Stoves.
DK34352C
(en )
1925-04-06
Device at Hot water heating or Hot water supply system.
DK34682C
(en )
1925-06-29
Device for Water Heaters for Stoves.
DK38674C
(en )
1928-04-16
Water heater, specially designed for gas heating.
DK34078C
(en )
1925-02-02
Device for Central heating stoves.
DK33962C
(en )
1924-12-15
Device for Central heating stoves.
DK34853C
(en )
1925-08-10
Central heating device at Kakelelovne.
DK44793C
(en )
1931-11-02
Device with temperature controllers.
DK46005C
(en )
1932-08-01
Device by Central Heating Boilers.
DK40654C
(en )
1929-08-19
Heating or cooling element.
DK45177C
(en )
1932-02-01
Oven for hot water central heating system.
CH131613A
(en )
1929-02-28
Temperature controller.
DK45327C
(en )
1932-02-29
Steam heating system.
DK39469C
(en )
1928-11-12
Thermostatic Temperature regulator for electric heaters.
DK44711C
(en )
1931-10-19
Heating plate for Fireplaces.
DK43052C
(en )
1930-09-29
Control device for Gas Appliances.
DK40262C
(en )
1929-06-10
Electric Heat Consumption Meter for Central Heating Systems and the like.
DK42074C
(en )
1930-04-22
Device for Heating Beds.
DK39856C
(en )
1929-03-04
Heating radiator.