CH80190A
(en )
1919-02-17
Equipment in chimneys to utilize the heat from the same exhaust gases
CH81410A
(en )
1919-11-01
Device for utilizing the exhaust gas heat from combustion systems
CH80067A
(en )
1919-02-01
Device for utilizing the heating power of flue gases
CH81083A
(en )
1919-10-16
Device for utilizing the heat of the exhaust gases flowing through the exhaust pipe of furnaces
CH78853A
(en )
1918-09-02
Equipment in gas pipes for better mixing of the gas with the combustion air
CH81129A
(en )
1919-05-01
Multi-storey gas oven
CH80187A
(en )
1919-02-17
Device for utilizing the heat of the exhausting furnace gases
CH79393A
(en )
1919-04-16
Device to reduce the backlash losses when blading steam or gas turbines
AT110962B
(en )
1928-10-25
Process for rectifying the mixture of noble gases obtained when air is broken down into its components.
CH79390A
(en )
1919-04-01
Impeller pump for compressing gases or air
CH79596A
(en )
1919-04-01
Impeller pump for compressing gases or air
DK27641C
(en )
1921-05-17
Deposit for Stoves with two Smoke Exhaust.
ES66351A1
(en )
1918-04-16
Improvements provided to the Gas Purifying Exhaustor.
CH81362A
(en )
1919-06-02
Device to simplify the operation of motor fire engines
FR497338A
(en )
1919-12-03
Gas scrubber fan
CH79558A
(en )
1919-04-01
Gas mixer
CH80131A
(en )
1919-06-16
Gas mixer
CH80731A
(en )
1919-04-01
Engine fire engine
FR492234A
(en )
1919-07-02
Improvements to ovens
CH78163A
(en )
1918-07-01
Gas saver
CH80074A
(en )
1919-02-01
Coal firing with air from below and above
DK24814C
(en )
1919-07-28
Gas stove.
FR520743A
(en )
1921-06-29
perfected exhaust
CH79874A
(en )
1919-05-16
Gas lighter
FR497152A
(en )
1919-11-27
Smoke-eating chimney