CH796A
(en )
1889-06-13
Gas heating furnace with central air heating retort
CH1198A
(en )
1889-10-03
Annealing furnace with retort
CH1556A
(en )
1890-02-14
Gas lamp fed with hot air
CH95A
(en )
1889-01-16
Ventilating gas heater
CH26089A
(en )
1903-07-31
Muffle furnace with gas heating
CH1549A
(en )
1890-02-14
Gas heater
ES9662A1
(en )
1889-08-01
Improvements in the gas manufacturing process for lighting and heating.
CH1809A
(en )
1890-05-15
Gas heaters with combustion air preheaters
ES9797A1
(en )
1889-09-16
Improvements in the manufacturing process of gas for lighting and heating.
DK5899C
(en )
1903-08-24
Gas Burner for Lighting and Heating.
CH32014A
(en )
1905-06-15
Petroleum wick blue burner lamp for heating or lighting purposes
CH22166A
(en )
1901-12-31
Flat iron with gas heating
CH4376A
(en )
1892-05-31
Petrol heating and lighting furnace
ES31218A3
(en )
1903-05-01
A process for making gas for lighting and heating.
ES8643A1
(en )
1888-10-01
A smelting furnace with introduction of heated air.
CH30306A
(en )
1904-11-30
Gas burner attachment for heating purposes
CH27483A
(en )
1904-05-15
Bath heater with gas heating
CH29105A
(en )
1904-07-15
Downward-facing incandescent gas burner
CH29390A
(en )
1904-08-15
Gas burners for heating purposes
CA31834A
(en )
1889-07-26
Hot air heating stove
DK19572C
(en )
1914-12-07
Procedure for heating gas production furnaces with generator gas and light gas.
DK19241C
(en )
1914-09-14
Procedure for heating gas production furnaces with generator gas and light gas.
CH34120A
(en )
1906-03-15
Steam oven with gas heating
CH586A
(en )
1889-04-13
New heating stove with internal air circulation
DK2264C
(en )
1899-06-05
Acetylene Light for Lighting and Heating.