CH76886A
(en )
1918-07-01
Regulating valve for steam and hot water heating
CH69675A
(en )
1915-10-16
Regulating valve for steam and hot water heating
CH80188A
(en )
1919-02-17
Double adjustable valve for central heating with hot water or steam operation
DK22271C
(en )
1917-07-16
Heater for Hot water and Steam heating.
CH79446A
(en )
1918-12-02
Boilers for hot water heating
CH60368A
(en )
1913-07-16
Double regulating valve for hot water heating with concealed stuffing box
CH67017A
(en )
1914-11-02
Control tap for hot water and steam heating
DK19946C
(en )
1915-03-08
Double-adjustable control valve for steam and hot water heating pipes.
CH78836A
(en )
1918-09-02
Alternating shut-off device for the main line of hot water heating systems, water heating systems, gas tanks or the like
CH71780A
(en )
1916-02-16
Radiator arrangement for steam, hot water and mixed heating systems
CH77838A
(en )
1918-10-16
Control and shut-off valve for steam, water etc.
CH78757A
(en )
1919-02-01
Hot water system
CH76520A
(en )
1918-01-02
Water preheaters, mainly for bath stoves and hot water machines
DK24619C
(en )
1919-06-10
Hot water heater for smaller rooms.
GB120097A
(en )
1918-10-28
Improvements relating to Valves for Steam Heating Apparatus.
NL7591C
(en )
1922-09-15
Integrated heat meter for hot water heating.
FR569494A
(en )
1924-04-12
Regulating valve for central heating systems with water or steam
CH78467A
(en )
1918-08-01
Superheated steam boiler with draft regulator
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
GB114766A
(en )
1918-04-18
Improved Mixing Valve for Steam Heated Water Supply Systems.
FR575335A
(en )
1924-07-28
Double adjustment valve for hot water or steam heating systems
CH81235A
(en )
1919-10-16
Steam cooker
CA186472A
(en )
1918-09-10
Mixing valve foor steam heated water supply systems
FR497841A
(en )
1919-12-18
Hot water central heating boiler
DK33529C
(en )
1924-08-11
Heating boiler for heating systems with low-pressure steam or hot water heating.