FR369346A
(en )
1907-01-09
Training in hooks
CH38617A
(en )
1907-11-30
Valve
CH47417A
(en )
1910-07-01
Device for cleaning the air flow in vacuum cleaning systems
CH40174A
(en )
1908-06-16
Device for removing dust from carpets, upholstery and the like by means of suction air
DK9999C
(en )
1907-09-09
Cleaning machine with Suction and Compressed Air for Cereals and the like.
CH37264A
(en )
1907-05-31
Device for fastening the hose of air pumps used to inflate air strips and the like
GB190617156A
(en )
1906-11-15
Improvements in Tents.
CH35067A
(en )
1906-06-30
Compressed air device for removing dust from fabrics
CH47647A
(en )
1910-07-16
Device for cleaning floors
CH38152A
(en )
1907-09-15
Device for cleaning, tempering, humidifying and disinfecting air
CH44062A
(en )
1909-07-01
Device for cleaning dishes
GB190907622A
(en )
1909-08-26
Improvements in or relating to Suction cleaning Apparatus.
DK8040C
(en )
1905-11-27
Sand filter.
AT26198B
(en )
1906-10-25
Steam or compressed air liquid lifters.
CH38206A
(en )
1907-09-15
Device for cleaning the inside of pipes, hoses and the like
GB190926330A
(en )
1910-04-28
Improvements in or relating to Suction Cleaning Apparatus.
CH33567A
(en )
1905-12-31
Mobile cleaning device for floors, carpets and the like with dust extraction
CH45385A
(en )
1909-11-16
Device for increasing the vacuum in condensation systems
CH42759A
(en )
1909-02-16
Mobile device for cleaning wall surfaces with sand
DK7594C
(en )
1905-06-13
Whiteboard cleaner.
CH43776A
(en )
1909-06-16
Water filter system with a device for cleaning the filter without interrupting operation
FR406955A
(en )
1910-02-16
Drain with air purifier
CH54081A
(en )
1912-04-16
Device on doors to prevent dust and drafts from passing through the gap between the door and the floor
CH40631A
(en )
1908-08-01
Device for extracting and cleaning dusty air
CH34995A
(en )
1906-06-30
Filter apparatus