CH16165A
(en )
1898-09-30
Equipment for heating and ventilating or cooling and ventilating trees
CH16491A
(en )
1898-11-30
Ventilation apparatus
CH17145A
(en )
1899-04-30
Cooling system with air circulation and ventilation
ES22267A1
(en )
1898-03-16
A procedure for heating and ventilating or for cooling and ventilating closed rooms.
CH17567A
(en )
1899-06-30
Covering for radiators and heating openings
CH16967A
(en )
1899-03-15
Device for impregnating and coloring wood
CH58758A
(en )
1913-04-01
Heat equalization device for heating or cooling liquids and gases
CH53383A
(en )
1912-02-16
Process for ventilating, heating or cooling rooms and for humidifying the air they contain
CH18492A
(en )
1900-01-15
Insect protection veil for use on resting areas and resting places
CH18468A
(en )
1900-01-15
Closure for juicing, impregnating and coloring timber
CH18166A
(en )
1899-11-15
Cooling system for cooling liquids
CH17295A
(en )
1899-05-31
Apparatus for disinfecting rooms
CH19591A
(en )
1900-08-15
Apparatus for drying, cooling or heating fabrics
ES22131A1
(en )
1898-02-16
Improvements in the treatment of hides and skins.
CH19888A
(en )
1900-10-15
Tanning device for the continuous tanning of hides
CH22338A
(en )
1902-01-15
Air humidifier at the same time air deduster and air cooler
CH71887A
(en )
1916-03-16
Device for cooling or heating gases and liquids
CH32954A
(en )
1905-09-30
Equipment for painting and drying sheet metal strips
CH29305A
(en )
1904-07-31
Apparatus for cooking and keeping food warm
CH653E
(en )
1907-11-15
Apparatus for cooking and keeping food warm
CH16316A
(en )
1898-10-31
Rotating fan
CH18293A
(en )
1899-12-15
Device for guiding and sealing rods used for moving machine elements
CH17146A
(en )
1899-05-15
Preá device for forming and closing of faám, nteln made of wood veneer
CH16847A
(en )
1899-02-28
Novel breathing apparatus
CH18173A
(en )
1899-11-15
Sink for knives and forks