CH396247A
(en )
1965-07-31
Electrically heated water heater with heat sensor
AT199769B
(en )
1958-09-25
Liquid heaters, in particular electrically heated hot water storage tanks
CH485179A
(en )
1970-01-31
Electric hot water storage tank
CH385259A
(en )
1964-12-15
Heated element that can be used in heat exchangers
AT209534B
(en )
1960-06-10
Electrically heated hot water tank
CH376630A
(en )
1964-04-15
Gas heated water heater
CH387825A
(en )
1965-02-15
Arrangement for electrically heated instantaneous water heaters
AT196589B
(en )
1958-03-25
Storage heater with hot air circulation
AT285886B
(en )
1970-11-10
Domestic hot water storage tank
CH393365A
(en )
1965-06-15
Heated element that can be used in heat exchangers
DK102537C
(en )
1965-09-06
Combined domestic hot water and radiator system.
DK92708C
(en )
1962-02-05
Oil-fired heater with water tank.
AT277521B
(en )
1969-12-29
Storage tanks, in particular for use in the water-bearing interior of heating boilers
CH389207A
(en )
1965-03-15
Central heating boiler with built-in water heater
DK85844C
(en )
1958-07-07
Water heating tank with built-in preheater.
CA622602A
(en )
1961-06-27
Hot water storage tank and water heater system embodying the same
DK88437C
(en )
1960-01-25
Device for water heaters.
AT226921B
(en )
1963-04-25
Heating boiler with hot water generator
AT196029B
(en )
1958-02-25
Electrically heated heating pipe, in particular for room heating
CH379088A
(en )
1964-06-30
Central heating boiler with domestic water heater
CA602184A
(en )
1960-07-26
Electrically heated instantaneous hot water generator and storage tank
DK89870C
(en )
1960-10-17
Mixing tap especially for use with hot water tanks.
FR1188362A
(en )
1959-09-22
Improvement in storage water heaters
CH499754A
(en )
1970-11-30
Storage tank for hot water preparation in heating systems
FR1228692A
(en )
1960-08-31
Water heater