CH31484A
(en )
1905-04-15
Equipment on steam boiler furnaces for guiding the heating gases
CH36546A
(en )
1907-01-31
Equipment on the firing of heating tube boilers with fire boxes for guiding the heating gases
CH30980A
(en )
1905-02-15
Water heating furnace for gas heating
CH30684A
(en )
1905-01-15
Gas heater
CH31409A
(en )
1905-04-15
Gas heater
DK5538C
(en )
1903-03-23
Oven with Gas heating for Iron and the like.
CH34754A
(en )
1906-05-31
Gas heating burners for cooking apparatus
CH30306A
(en )
1904-11-30
Gas burner attachment for heating purposes
DK6992C
(en )
1904-10-17
Device for gas burners.
CH34120A
(en )
1906-03-15
Steam oven with gas heating
CH31571A
(en )
1905-04-15
Gas heater for iron
CH28756A
(en )
1904-05-31
Gas burners on heat generating apparatus
DK7044C
(en )
1904-11-07
Device for Incandescent burners.
DK6615C
(en )
1904-06-06
Burner Oven.
AT23733B
(en )
1906-04-10
Heating or cooling pipe.
FR343151A
(en )
1904-09-27
Bunsen burner
FR345380A
(en )
1904-11-29
Gas heater
CH38069A
(en )
1907-08-31
Multiple heating burners on boilers
DK8451C
(en )
1906-05-07
Steam oven with Gas burning.
CH33674A
(en )
1905-12-31
Gas iron with heating device
FR380425A
(en )
1907-12-07
Adjustable heating gas stove
AT23757B
(en )
1906-04-10
Steam generator for ovens.
FR353726A
(en )
1905-09-19
Auto-igniter for gas burners
CH33020A
(en )
1905-10-15
Superheater on heating tube boilers
CA87176A
(en )
1904-05-17
Furnace for steam boilers