CH57113A
(en )
1912-12-16
Regulating tap for low pressure steam heating
AT57826B
(en )
1913-02-25
Regulating tap for low pressure steam heating.
CH59247A
(en )
1913-05-02
Pressure regulator for heating boilers
CH54804A
(en )
1912-06-17
Low pressure steam heating
FR444453A
(en )
1912-10-18
Double adjustment valve for steam heating
AT67173B
(en )
1914-12-10
Control device for back pressure steam engines.
CH67017A
(en )
1914-11-02
Control tap for hot water and steam heating
CH52167A
(en )
1911-11-01
Feed regulator for steam boilers
CH66669A
(en )
1914-10-01
Control valve for central heating
FR19620E
(en )
1915-03-16
Control valve for low pressure steam heating
FR14086E
(en )
1911-09-11
Steam regulator
FR426031A
(en )
1911-06-26
Steam regulator
FR17839E
(en )
1913-12-01
Steam regulator
CH54803A
(en )
1912-06-17
Hot water heating for remote operation
CH62435A
(en )
1913-11-17
Control device for steam turbines
CH66791A
(en )
1914-10-01
Control valve for central heating
CH69675A
(en )
1915-10-16
Regulating valve for steam and hot water heating
CH43520A
(en )
1909-05-17
Regulating valve for central heating radiators
CH75844A
(en )
1917-10-01
Water level regulator for steam boilers
CH73330A
(en )
1916-09-16
Water level regulator for steam boilers
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
FR435666A
(en )
1912-03-07
Regulating valve arrangement
CH54397A
(en )
1912-05-17
Steam heater for carbonated baths
FI4554A
(en )
1911-09-19
Gas pressure regulator
FR438394A
(en )
1912-05-15
Back pressure regulator