CH80187A
(en )
1919-02-17
Device for utilizing the heat of the exhausting furnace gases
CH81083A
(en )
1919-10-16
Device for utilizing the heat of the exhaust gases flowing through the exhaust pipe of furnaces
CH80067A
(en )
1919-02-01
Device for utilizing the heating power of flue gases
CH81410A
(en )
1919-11-01
Device for utilizing the exhaust gas heat from combustion systems
CH81580A
(en )
1919-11-17
Cremation furnace
CH79445A
(en )
1919-04-16
Device for heat storage for cookers and ovens
CH81129A
(en )
1919-05-01
Multi-storey gas oven
FR532947A
(en )
1922-02-15
Tunnel oven intended more specifically for the firing of ceramic products
DK23360C
(en )
1918-08-12
Device for gas hobs.
DK23811C
(en )
1918-12-02
Device for gas hobs.
CH76653A
(en )
1918-01-16
Device for utilizing the heat of the exhaust gases from heating ovens and cookers
CH80467A
(en )
1919-07-01
Hot air apparatus
CH80190A
(en )
1919-02-17
Equipment in chimneys to utilize the heat from the same exhaust gases
CH79608A
(en )
1919-04-16
Gas bath heater
CH75225A
(en )
1917-06-16
Device for cooking stoves to make better use of the heat
DK23104C
(en )
1918-05-21
Gas oven.
CH79572A
(en )
1918-12-02
Gas burner
CH80465A
(en )
1919-03-01
Gas burner
FR515118A
(en )
1921-03-24
Retort oven
CH78229A
(en )
1918-07-01
Device for electrical heating of inevitably moving media
CH51771A
(en )
1911-09-16
Device for utilizing the heat of combustion gases
CA190303A
(en )
1919-05-13
Method of measuring the comsumption of heat
CH81289A
(en )
1919-06-02
Regenerative chamber furnace
FR491626A
(en )
1919-06-10
Gas mixer
FR491625A
(en )
1919-06-10
Gas mixer