FR1467752A
(en )
1967-01-27
Device for cleaning the flue pipes of a boiler
FR1423475A
(en )
1966-01-03
Device for heating or heat treating pipes or tubes
BE573576A
(en )
1959-04-01
Flue pipe for steam boiler or other heating device.
FR1210507A
(en )
1960-03-09
Flue pipe for steam boiler or other heating device
FR1385063A
(en )
1965-01-08
Heating device for hot water boiler
DK108797C
(en )
1968-02-12
Pipe wall for heat exchangers and steam boilers, consisting of wall parts separated by joints.
FR1217691A
(en )
1960-05-05
Tube supports for heat exchangers or similar devices
DK90681C
(en )
1961-04-04
Device for steam or hot water boilers.
FR1222175A
(en )
1960-06-08
Water tube boiler comprising radiant heating surfaces
BE591325A
(en )
1960-09-16
Fire tube for boilers or other heating devices.
FR1232659A
(en )
1960-10-11
Device for heating flowing fluids
BE593105A
(en )
1960-11-14
Heating boiler, for hot water heating.
FR1190936A
(en )
1959-10-15
advanced multi-tube heating element for steam ovens
FR1269746A
(en )
1961-08-18
Suction cup for radiators or combustible gas heaters
BE607483A
(en )
1961-12-18
Central heating boiler.
CH381248A
(en )
1964-08-31
Fluid heater
FR1268637A
(en )
1961-08-04
Fire tube for boilers or other heating devices
FR1221110A
(en )
1960-05-31
Heating surface for once-through tubular steam boilers
DK112100B
(en )
1968-11-11
Flue pipe boiler for heat transmission oil or a similar liquid.
FR1384828A
(en )
1965-01-08
Heating control device for recovery boilers
FR1253154A
(en )
1961-02-03
Heating boiler
BE623138A
(en )
1963-02-01
Hydraulic control for automatic cleaning device of heating boilers.
BE604376A
(en )
1961-09-18
Liquid fuel heating appliance.
FR1170429A
(en )
1959-01-14
Improvements to sectioned boilers for hot water or steam heating
FR1261220A
(en )
1961-05-19
Valve for radiators, heaters, refrigerators and the like