CH1912A
(en )
1890-06-14
Ribbed heating plates crossed with air ducts for all types of room stoves
CH4466A
(en )
1892-05-31
Tube furnace for room air heating
CH4403A
(en )
1892-05-14
Heat regulator for room stoves
CH17708A
(en )
1899-08-15
Burners for rooms with restricted air access
CH1975A
(en )
1890-10-31
Air humidifier
CH2869A
(en )
1891-04-15
Air humidifier
CH2882A
(en )
1891-03-31
Air humidifier
CH30306A
(en )
1904-11-30
Gas burner attachment for heating purposes
CH4589A
(en )
1892-06-30
Room stove with air circulation
CH3660A
(en )
1891-11-14
Ventilation stove with device for continuous fire
CH32841A
(en )
1905-09-15
Blue burners for lighting and heating purposes
CH27774A
(en )
1904-02-15
Ventilation device for rooms
CH22918A
(en )
1902-04-30
New cold room for domestic and commercial use
CH30980A
(en )
1905-02-15
Water heating furnace for gas heating
CH32014A
(en )
1905-06-15
Petroleum wick blue burner lamp for heating or lighting purposes
FR344223A
(en )
1904-10-28
Indoor heated iron
CH26347A
(en )
1903-08-31
Pipe system for heating the room air
CH10615A
(en )
1896-01-31
Portable room stove for cooking and heating purposes
CH27643A
(en )
1904-01-31
Blue burners for cooking and heating purposes
CH34051A
(en )
1906-02-28
New type of control on heat engines
CH31571A
(en )
1905-04-15
Gas heater for iron
CH16887A
(en )
1899-06-30
Base plate for ovens with indirect heating
CH5556A
(en )
1893-02-15
Air humidifier
CH34120A
(en )
1906-03-15
Steam oven with gas heating
FR400810A
(en )
1909-08-10
Hot air heating controller