CH3470A
(en )
1891-09-30
Device on regulating furnaces for water heating
CH4293A
(en )
1892-04-15
Heating device for soldering iron
CH3981A
(en )
1892-01-30
Device for heating the points
CH4611A
(en )
1892-06-30
Regulating device
CH3359A
(en )
1891-10-31
Heating device for pressure cookers
CH3177A
(en )
1891-07-15
Air heating apparatus for steam boilers and other furnaces
CH4193A
(en )
1892-03-31
Regulating device for filling regulating ovens
CH5510A
(en )
1893-01-31
Device for the automatic starting of the feed apparatus for steam boilers
CH3462A
(en )
1891-09-30
Device for regulating electrical slave clocks
CH4403A
(en )
1892-05-14
Heat regulator for room stoves
CH3830A
(en )
1891-12-31
Annealing apparatus
CH6534A
(en )
1893-09-15
Device for regulating the heat output from steam radiators
CH3721A
(en )
1891-12-15
Self-purifying device for distilleries
CH165E
(en )
1895-01-15
Self-purifying device for distilleries
CH28569A
(en )
1904-05-15
Device for regulating steam overheating
CH4344A
(en )
1892-04-30
Vodoz furnace
CH3234A
(en )
1891-07-15
Regulating device for prime movers
CH5280A
(en )
1892-11-30
Water heating device for gas cookers
CH3660A
(en )
1891-11-14
Ventilation stove with device for continuous fire
CH3309A
(en )
1891-10-31
Adjustable ventilation device for headgear
CH5291A
(en )
1892-11-15
Device for adjusting the draw hooks on horse collars
CH4180A
(en )
1892-02-29
Electric radiator for cooking and heating apparatus
CH5904A
(en )
1893-05-15
Fire grate with device for air distribution
CH5938A
(en )
1893-04-29
Fire grate with device for air distribution
CH3144A
(en )
1891-06-30
Automatically regulating air pressure apparatus