DK56813C
(en )
1939-10-16
Control valve for hot water heaters.
DK57727C
(en )
1940-06-24
Control valve for hot water radiators.
DK56522C
(en )
1939-08-07
Valve for built-in Central heating pipes.
DK56287C
(en )
1939-06-12
Hot water boiler, preferably for Central heating systems.
DK55743C
(en )
1939-01-23
Automatic acting Control valve for Radiators.
DK56174C
(en )
1939-05-15
Water heater for Bathrooms.
DK57594C
(en )
1940-05-14
Water heater for domestic water heating.
DK55375C
(en )
1938-10-24
Water heating system.
DK55293C
(en )
1938-10-03
Water heater.
CH213589A
(en )
1941-02-28
Boiler for hot water heating with hot water preparation.
DK57052C
(en )
1939-12-18
Valve control for Dishwashers.
DK55067C
(en )
1938-08-08
Valve device at Central heating system.
DK55587C
(en )
1938-12-19
Hot water and central heating systems.
DK47562C
(en )
1933-07-24
Hot water boiler for oil heating.
DK54285C
(en )
1938-02-07
Water evaporator for Radiators.
DK50229C
(en )
1935-05-13
Heating boiler for Water, especially for Central heating systems.
DK51480C
(en )
1936-04-06
Expansion tank for hot water central heating system.
CH195888A
(en )
1938-02-28
Pumpless hot water central heating system.
DK55558C
(en )
1938-12-12
Traction regulator for hot water heating systems.
DK53793C
(en )
1937-11-01
Traction regulator for hot water central heating boilers.
DK57211C
(en )
1940-01-29
Temperature regulator for steam-heated Milk heaters.
DK51937C
(en )
1936-07-27
Elements for Central Heaters.
DK53618C
(en )
1937-09-20
Water heater for Heating Consumption water.
DK55984C
(en )
1939-03-27
Central heating boiler.
DK35591C
(en )
1926-02-08
Water heater for Stoves.