CH50032A
(en )
1911-04-17
Articulated boiler for hot water and steam heating
CH47083A
(en )
1910-05-16
Articulated boiler for hot water heating
CA121472A
(en )
1909-10-26
Hot water and steam heater
CA97438A
(en )
1906-02-13
Steam and hot water heater
CA115648A
(en )
1908-12-15
Hot water heater or boiler
CH51607A
(en )
1911-09-16
Hot water boiler with indirect heating
CA121619A
(en )
1909-11-02
Water heater and steam cooker
CA112586A
(en )
1908-06-23
Hot water and steam heating system
FR521103A
(en )
1921-07-07
Hot water and steam heating system
FR382159A
(en )
1908-01-31
Steam or hot water heating
FR377388A
(en )
1907-09-05
Combined steam and hot water heating system
CH38003A
(en )
1907-08-31
Articulated boiler for hot water heating
FR377106A
(en )
1907-08-29
Improvements made to boilers for the production of hot water and likely to be applied to steam heating
FR406923A
(en )
1910-02-15
Heating boiler
CA108066A
(en )
1907-10-22
Steam and hot water heating system
CA124346A
(en )
1910-03-08
Steam and hot water furnace
FR401466A
(en )
1909-08-31
Improvements to steam or hot water heating radiators
FR403228A
(en )
1909-10-28
Boiler for hot water and low pressure steam heating systems
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
DK10659C
(en )
1908-03-23
Hot water heater.
CA2425S
(en )
1906-03-27
Fire pot for hot water and steam boilers
CH34006A
(en )
1906-02-15
Radiators for steam and water heating
FR378481A
(en )
1907-10-05
Boiler for steam heating
FR414223A
(en )
1910-08-29
Boiler for steam or hot water heating
FR396739A
(en )
1909-04-19
Hot water circulation heater