FR457471A
(en )
1913-09-18
Central control method for steam heating systems
FR446301A
(en )
1912-12-02
Temperature regulator for steam heating systems
FR430140A
(en )
1911-10-09
Regulating valve for heating systems
FR12716E
(en )
1910-11-08
Regulating valve for heating systems
FR414118A
(en )
1910-08-26
Regulating valve for heating systems
FR457407A
(en )
1913-09-17
economizer, temperature regulator for all types of heating systems
CH53640A
(en )
1912-03-16
Regulating valve for heating systems
CH46681A
(en )
1910-04-01
Radiator for heating systems
FR433002A
(en )
1911-12-22
Temperature regulator for gas heating systems
CH52944A
(en )
1912-01-16
Steam tap for heating systems
CH64421A
(en )
1914-04-01
Radiator for steam heating systems
FR390254A
(en )
1908-10-01
Temperature regulator for steam heating systems
FR457333A
(en )
1913-09-16
Piston regulating valve for heating system radiators
FR450602A
(en )
1913-03-29
Control process for electrical installations
FR405310A
(en )
1909-12-27
Improvements to boilers for heating systems
CH47165A
(en )
1910-06-01
Tap with regulating device for hot water heating systems
FR474402A
(en )
1915-02-19
Improvements to heating systems
FR439688A
(en )
1912-06-20
Heat regulator for incubators
FR419429A
(en )
1911-01-06
Regulating valve for steam heating
FR529993A
(en )
1921-12-10
Regulating valve for steam and hot water heating systems
CH59481A
(en )
1913-05-16
Tap with regulating device for heating systems
CA144898A
(en )
1912-12-24
Means of regulating steam heating systems
FR467482A
(en )
1914-06-12
Ceramic heaters for central heating installations
CH32264A
(en )
1905-09-15
Draft regulator for hot water heating systems
FR533596A
(en )
1922-03-06
Heating process for homes of all kinds