CH72708A
(en )
1916-11-16
Central heating furnace for water, oil, air, steam etc. heating
FR483084A
(en )
1917-05-25
Boiler for central heating with water, oil, air, steam, etc.
DK20830C
(en )
1915-12-20
Steam regulator on steam boilers, especially on locomotives.
DK19838C
(en )
1915-02-15
Hot air stove.
DK28609C
(en )
1921-10-10
Axial steam turbine.
AT71568B
(en )
1916-04-25
Steam heating system.
DK21324C
(en )
1916-07-03
Steam heating system.
DK18745C
(en )
1914-04-27
Hot water boiler.
DK20097C
(en )
1915-04-26
Expansion steam engine.
AT52384B
(en )
1912-02-26
Articulated boiler for hot water heating.
AT75514B
(en )
1919-02-25
Water level regulator for steam boilers.
DK20155C
(en )
1915-05-10
Device by steam boilers with flues.
DK31848C
(en )
1923-06-11
Boiler for Central heating system.
DK20639C
(en )
1915-10-11
Muffler for immediate Water Heating with Steam.
CH71293A
(en )
1915-12-16
Steam heating system
AT80159B
(en )
1920-02-25
Gas burner for oven heating. Gas burner for oven heating.
AT73160B
(en )
1917-02-26
Use for saving stoves.
DK22572C
(en )
1917-11-05
Gas stove with central hot water pipes.
DK26963C
(en )
1920-11-29
Inflow device for steam turbines.
DK21285C
(en )
1916-06-19
Steam heating system.
DK26301C
(en )
1920-07-19
Water pipe boiler.
DK24945C
(en )
1919-09-01
Self-regulating water turbine.
DK22646C
(en )
1917-12-03
Boiler device by Tile stoves for Central heating.
DK19842C
(en )
1915-02-15
Heat regulator.
CH50790A
(en )
1911-06-16
Closed low-pressure hot water heating, especially for floor heating