CH4180A
(en )
1892-02-29
Electric radiator for cooking and heating apparatus
CH5950A
(en )
1893-04-29
Appliance system for electric heating
CH4293A
(en )
1892-04-15
Heating device for soldering iron
CH11301A
(en )
1896-06-15
Electric heater
CH11058A
(en )
1896-04-15
Heating wire for electric heating apparatus
CH6439A
(en )
1893-08-15
An electric heater
CH3036A
(en )
1891-08-15
Radiators for steam heating
CH3470A
(en )
1891-09-30
Device on regulating furnaces for water heating
CH3177A
(en )
1891-07-15
Air heating apparatus for steam boilers and other furnaces
CA36520A
(en )
1891-05-02
Electric heating apparatus
CH5203A
(en )
1892-10-31
Improved electric radiator
CH2565A
(en )
1891-03-31
Electrical apparatus for soldering, cooking and heating
CH7018A
(en )
1894-02-15
Electric heater
CH5280A
(en )
1892-11-30
Water heating device for gas cookers
CH6662A
(en )
1894-02-15
Advanced heater
CA1054S
(en )
1892-07-04
Heating stove
CH3359A
(en )
1891-10-31
Heating device for pressure cookers
CH10723A
(en )
1896-02-15
Steam burners for heating and cooking apparatus
CH10384A
(en )
1895-11-30
Electric hot water circulator
CA38976A
(en )
1892-05-18
Electric water heater
CH5559A
(en )
1893-02-15
Improved cooking and heating oven
CA37526A
(en )
1891-10-05
Electric steam generator and heater
CH4403A
(en )
1892-05-14
Heat regulator for room stoves
CH25369A
(en )
1903-05-15
Electric heater
CA39506A
(en )
1892-07-27
Electric heater