CH10684A
(en )
1896-02-15
Ventilation device for inhabited rooms
CH5938A
(en )
1893-04-29
Fire grate with device for air distribution
CH5904A
(en )
1893-05-15
Fire grate with device for air distribution
CH27774A
(en )
1904-02-15
Ventilation device for rooms
FR327765A
(en )
1903-07-02
Ventilation system for bath heaters
FR333644A
(en )
1903-11-30
Air transport system
CH37268A
(en )
1907-05-31
Device for heat dissipation on electromagnetic friction clutches
CH6088A
(en )
1893-06-30
Device for attaching the card set on card covers
CH26570A
(en )
1903-09-30
Device for looms for making protective borders on fabrics
CH26662A
(en )
1903-10-15
Equipment on bath stoves for drawing off water at different temperatures
CH26663A
(en )
1903-10-15
Device for cooling air
CH4839A
(en )
1892-08-15
Ventilation device on water meters
CH5027A
(en )
1892-09-30
Device for achieving smooth operation in pumps
CH34836A
(en )
1906-06-15
Equipment for smoke combustion in combustion systems
CH5946A
(en )
1893-04-29
Hollow grate bars with device for air distribution
FR332066A
(en )
1903-10-15
Automatic thunderstorm warning system
CH11439A
(en )
1896-07-15
Automatic feeding device
CH10522A
(en )
1895-12-31
Device for issuing cards with an imprinted issuing time
AT35454B
(en )
1908-12-10
Device for consuming smoke.
CH3981A
(en )
1892-01-30
Device for heating the points
CH42608A
(en )
1909-02-16
Device for obtaining approximately constant direct current from an alternating current source
CH27621A
(en )
1904-01-31
Electromagnetic device for increasing the adhesion to vehicles running on rails
CH4968A
(en )
1892-09-15
Device for making boxes
CH10988A
(en )
1896-04-30
Automatic point setting device for trams
FR322761A
(en )
1903-02-12
Automatic vent system