CH1809A
(en )
1890-05-15
Gas heaters with combustion air preheaters
CH2488A
(en )
1890-11-15
Water heating device for larger stoves
CH3660A
(en )
1891-11-14
Ventilation stove with device for continuous fire
CH1908A
(en )
1890-06-14
New heater
CH2140A
(en )
1890-08-30
Firing system with circulation water heating device for stoves and cookers
CH4403A
(en )
1892-05-14
Heat regulator for room stoves
CH2441A
(en )
1890-10-31
Advanced gas heater
CH586A
(en )
1889-04-13
New heating stove with internal air circulation
CH1768A
(en )
1890-04-30
Wick burner
CH3036A
(en )
1891-08-15
Radiators for steam heating
CH2634A
(en )
1891-01-31
New heating device
CH2365A
(en )
1890-10-31
Central heating
CH2506A
(en )
1890-11-29
Drying, heating and cooking oven
CH32014A
(en )
1905-06-15
Petroleum wick blue burner lamp for heating or lighting purposes
CH4466A
(en )
1892-05-31
Tube furnace for room air heating
CH1912A
(en )
1890-06-14
Ribbed heating plates crossed with air ducts for all types of room stoves
CH30306A
(en )
1904-11-30
Gas burner attachment for heating purposes
CH2592A
(en )
1891-01-31
New air distributor for boiler firing
CH9706A
(en )
1895-09-15
Kitchen stove with central heating boiler
CH46287A
(en )
1910-02-16
Cooking stove with facility for hot water heating
CH3110A
(en )
1891-06-30
Heater especially intended for railway cars
CA35334A
(en )
1890-11-03
Gas or oil heating stove
CH95A
(en )
1889-01-16
Ventilating gas heater
CH4376A
(en )
1892-05-31
Petrol heating and lighting furnace
CA1054S
(en )
1892-07-04
Heating stove