CH64421A
(en )
1914-04-01
Radiator for steam heating systems
CH46681A
(en )
1910-04-01
Radiator for heating systems
CH52944A
(en )
1912-01-16
Steam tap for heating systems
FR475227A
(en )
1915-04-26
Advanced automatic steam trap for steam heating systems
FR452131A
(en )
1913-05-08
Boiler for heating systems
FR410920A
(en )
1910-06-02
Piping for heat exchangers
FR411238A
(en )
1910-06-11
Improvements to radiators for central thermosyphon or steam heating systems
CH59604A
(en )
1913-05-16
Steam heating installation
FR479791A
(en )
1916-05-10
Controller-regulator device for steam heating systems
FR412701A
(en )
1910-07-21
Improvements in the construction of radiators for heating systems
FR457333A
(en )
1913-09-16
Piston regulating valve for heating system radiators
FR464636A
(en )
1914-03-26
Heating radiator
FR472793A
(en )
1914-12-17
Accelerator boiler for hot water heating
FR430140A
(en )
1911-10-09
Regulating valve for heating systems
CH53640A
(en )
1912-03-16
Regulating valve for heating systems
FR474402A
(en )
1915-02-19
Improvements to heating systems
FR444453A
(en )
1912-10-18
Double adjustment valve for steam heating
FR418331A
(en )
1910-12-06
Radiator for space heating
CH65488A
(en )
1914-07-01
Heating installation
DK21465C
(en )
1916-08-24
Radiator for Heating system.
FR414118A
(en )
1910-08-26
Regulating valve for heating systems
FR12716E
(en )
1910-11-08
Regulating valve for heating systems
FR467482A
(en )
1914-06-12
Ceramic heaters for central heating installations
FR472853A
(en )
1914-12-22
Vacuum heating element for radiators
FR405310A
(en )
1909-12-27
Improvements to boilers for heating systems