CH1809A
(en )
1890-05-15
Gas heaters with combustion air preheaters
CH2831A
(en )
1891-03-31
Heat reservoir with air heater for fireplace stoves
CH4376A
(en )
1892-05-31
Petrol heating and lighting furnace
CH796A
(en )
1889-06-13
Gas heating furnace with central air heating retort
CH4515A
(en )
1892-06-15
New hot air gas lamp
CH4080A
(en )
1892-05-31
Firing with smoke combustion
CH2447A
(en )
1890-10-31
Basic stove with a significant heating effect and smoke combustion
CH1909A
(en )
1890-06-14
Lantern with air supply and ignition device
CH2308A
(en )
1890-11-15
Improved gas engine
CH3023A
(en )
1891-06-15
Improved gas engine
CH2697A
(en )
1891-02-28
Gas rifle
CH2957A
(en )
1891-07-15
Firing with smoke consumption
CH11320A
(en )
1896-06-15
Gas stove burner with automatic shut-off valve
CH1556A
(en )
1890-02-14
Gas lamp fed with hot air
CH599A
(en )
1889-05-23
Bulk furnace firing with upper air supply and smoke combustion
CH3614A
(en )
1891-11-14
Innovation in regenerative gas stoves
CH2542A
(en )
1891-03-14
New petroleum gas burner or device for lighting and heating using ordinary petroleum
CH2592A
(en )
1891-01-31
New air distributor for boiler firing
CH16541A
(en )
1898-12-15
Gas burner with automatic ignition device
ES11663A1
(en )
1891-03-01
Improvements made to a gas generator or gas generator for heating and engines.
CH4024A
(en )
1892-03-15
Hot water stove with odorless combustion with or without a smoke pipe
ES12048A1
(en )
1891-06-16
Improvements in devices to produce and apply combustible fluids to lighting or heating.
CH1793A
(en )
1890-04-30
Innovation in horizontal steam boilers with internal firing for the purpose of achieving smokeless combustion
CH2868A
(en )
1891-04-15
Flame tube inserts for guiding the flue gases
CH3382A
(en )
1891-09-15
Flame swirl heater