DK55620C
(en )
1938-12-27
Cold and hot water supply system with hot water boiler for multi-storey buildings.
DK54421C
(en )
1938-03-07
Element boiler with hiking grille for heating buildings and for hot water supply.
DK54626C
(en )
1938-04-19
Hot water supply system.
DK54040C
(en )
1937-12-20
Element boiler with hiking grille for heating buildings and for hot water supply.
DK53333C
(en )
1937-07-19
Construction element with Heat meters for installation in Hot water drain plugs.
DK52823C
(en )
1937-03-15
Heat consumption meters for radiators, hot water taps and similar heat sources.
DK40825C
(en )
1929-09-23
Hot water boiler for installation in rooms.
DK59940C
(en )
1942-07-06
Heating and hot water systems.
DK55558C
(en )
1938-12-12
Traction regulator for hot water heating systems.
DK55587C
(en )
1938-12-19
Hot water and central heating systems.
DK60582C
(en )
1943-02-08
Hot water heating system with forced Omlob.
NL48769C
(en )
1940-07-15
Hot water tap or valve with evaporative heat meter.
DK53270C
(en )
1937-07-05
Hot water central heating system.
FR807551A
(en )
1937-01-15
Hot water boiler
FR870366A
(en )
1942-03-10
Further training in hot water central heating systems
DK49035C
(en )
1934-07-23
Combined Central Heating and Hot Water Supply Boiler.
DK56832C
(en )
1939-10-23
Steam system with steam boiler and hot water accumulator system as well as Procedure for Operation of the entire system.
ES138146A1
(en )
1935-08-16
Improvements in boilers for hot water supply and heating systems.
FI21070A
(en )
1946-02-11
Thermostatic hot and cold water mixing valve
DK51480C
(en )
1936-04-06
Expansion tank for hot water central heating system.
DK56356C
(en )
1939-06-26
Stove with built-in hot water boiler.
DK53618C
(en )
1937-09-20
Water heater for Heating Consumption water.
DK62386C
(en )
1944-06-26
Heat consumption meters for hot water supply systems.
DK53793C
(en )
1937-11-01
Traction regulator for hot water central heating boilers.
DK52320C
(en )
1936-10-19
System for Heating Consumption Water.