CH33009A
(en )
1905-10-15
Dust collector with a fabric filter and a device for cleaning the filters
FR393494A
(en )
1908-12-23
Device for collecting waste in the spinning looms
CH32538A
(en )
1905-08-15
Device for holding footwear while cleaning the same
CH42297A
(en )
1909-01-16
Brush with device for vacuuming dust
CH63552A
(en )
1914-02-02
Device for vacuuming and collecting dust
CH43776A
(en )
1909-06-16
Water filter system with a device for cleaning the filter without interrupting operation
CH34356A
(en )
1906-04-15
Water filter for devices for dedusting carpets and the like. s. w. by suction air
CH46330A
(en )
1910-02-16
Device for dedusting gases
ES35488A1
(en )
1905-03-16
A provision for cleaning the filter cloths in collects dust.
CH39604A
(en )
1908-04-01
Device on filters provided with filter frames to seal the filter frames from one another
CH37725A
(en )
1907-07-31
Device for cleaning windows and smooth surfaces
CH51184A
(en )
1911-08-01
Burner nozzle with device for cleaning the same
CH46579A
(en )
1910-04-01
Device for knocking off dust from air filters
CH71866A
(en )
1916-03-01
Portable device for vacuuming and collecting dust
CH47417A
(en )
1910-07-01
Device for cleaning the air flow in vacuum cleaning systems
CA92070A
(en )
1905-03-14
Means of cleaning filter cloths in dust collectors and the like
CH44062A
(en )
1909-07-01
Device for cleaning dishes
CH38206A
(en )
1907-09-15
Device for cleaning the inside of pipes, hoses and the like
CH35369A
(en )
1906-08-15
Tobacco pipe with device for cleaning and cooling the smoke
CH49861A
(en )
1911-04-01
Device on scrubbers for holding an abrasive cloth
AT25239B
(en )
1906-08-10
Process for the recovery of the cotton wool and muslin used in the Chardonnet artificial silk production to filter the collodium
CH33010A
(en )
1905-10-15
Knocking device for bag filters
CH37786A
(en )
1907-07-31
Cleaning device on bulk bag filters
FI2797A
(en )
1906-12-18
A patent for a filtering device
AT32012B
(en )
1908-02-25
Device for measuring and cutting cloth u. like