CH44060A
(en )
1909-07-01
Drilling apparatus for cleaning riser pipes in gas stations
CH42854A
(en )
1909-03-16
Equipment in chimneys for cleaning the flue gases
CH36699A
(en )
1907-02-15
Apparatus for cleaning beer pipes
CH40612A
(en )
1908-08-01
Apparatus for cleaning beer pipes
CH42259A
(en )
1909-01-16
Process for making coal gas ready for dispatch
CH44467A
(en )
1909-08-16
Process for making coal gas ready for dispatch
CH43487A
(en )
1909-05-01
Tools for drawing broken lines
CH44504A
(en )
1909-08-16
Apparatus for filling bottles
CH33796A
(en )
1906-01-15
Apparatus for scrubbing gases
DK10715C
(en )
1908-04-13
Apparatus for cleaning deposits in flues and the like.
CH49663A
(en )
1911-03-16
Device for plugging tobacco pipes
CH42759A
(en )
1909-02-16
Mobile device for cleaning wall surfaces with sand
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
FR401302A
(en )
1909-08-26
Seals for pipes
CH45450A
(en )
1909-11-16
Gas apparatus
CH45146A
(en )
1909-10-16
Device for drawing dotted lines
CH51503A
(en )
1911-09-01
Device for cleaning tobacco pipes
CH47647A
(en )
1910-07-16
Device for cleaning floors
CH70742A
(en )
1915-11-01
Device for cleaning beer pipes
AT46574B
(en )
1911-02-25
Device for lifting drill pipes.
AT41067B
(en )
1910-02-25
Device for extracting the gases flowing out of boreholes.
CH42017A
(en )
1908-12-16
Acetylene gas apparatus
CH46067A
(en )
1910-01-17
Device for rolling flanges onto tubes
CH34846A
(en )
1906-06-15
Device for cleaning beer pipelines using a sand-water mixture
CH44062A
(en )
1909-07-01
Device for cleaning dishes