CH55807A
(en )
1912-09-16
Regulating valve for radiators in heating systems
CH59350A
(en )
1913-05-02
Heating method
FR465377A
(en )
1914-04-15
Valve
CH59247A
(en )
1913-05-02
Pressure regulator for heating boilers
CH66669A
(en )
1914-10-01
Control valve for central heating
CH59095A
(en )
1913-04-16
Cleaning hole closure for heating ducts in heating systems
CH60368A
(en )
1913-07-16
Double regulating valve for hot water heating with concealed stuffing box
CH66791A
(en )
1914-10-01
Control valve for central heating
CH61355A
(en )
1913-09-16
Water evaporation tray for central heating radiators
CH69675A
(en )
1915-10-16
Regulating valve for steam and hot water heating
CH43520A
(en )
1909-05-17
Regulating valve for central heating radiators
CH70044A
(en )
1915-08-16
Gas consumption regulators, in particular for liquid heaters
CH59964A
(en )
1913-06-16
Control for valves of prime movers
CH62424A
(en )
1913-11-17
Float valve
CH62087A
(en )
1913-11-01
heating system
DK16089C
(en )
1912-06-17
Heat regulator for tiled stoves.
DK18271C
(en )
1913-12-22
Hot water supply and Central heating systems.
FR430140A
(en )
1911-10-09
Regulating valve for heating systems
CH72015A
(en )
1916-03-16
Heating and cooling elements for central heating and cooling systems
CH70396A
(en )
1915-09-16
Radiators for steam hot water heating systems
FR19486E
(en )
1915-02-11
Automatic valve for bath heaters and other applications
CH61055A
(en )
1913-09-01
Valve faucet
CH47165A
(en )
1910-06-01
Tap with regulating device for hot water heating systems
CH71780A
(en )
1916-02-16
Radiator arrangement for steam, hot water and mixed heating systems
CH61646A
(en )
1913-10-01
Water evaporation vessel for central heating radiators