CH53965A
(en )
1912-04-16
Process for purifying liquid hydrocarbons
AT75538B
(en )
1919-02-25
Process for cleaning liquids.
CH52282A
(en )
1911-11-01
Method of purifying water
CH51444A
(en )
1911-09-01
Method for lining containers
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
CH60910A
(en )
1913-08-16
Device for filtering liquids
CH55033A
(en )
1912-07-16
Device for filtering liquids
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH61994A
(en )
1913-11-01
Device for holding barrels
CH59675A
(en )
1913-06-02
Process for purifying crude rosin oils
CH64302A
(en )
1914-03-16
Method for sealing vessels
CH61416A
(en )
1913-09-16
Process for evaporation of liquids
CH60979A
(en )
1913-09-16
Process for separating the adsorbents from the adsorbents
CH54145A
(en )
1912-05-01
Process for the purification of hydrocarbons
CH51787A
(en )
1911-09-16
Device for cleaning lamp cylinders
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH53325A
(en )
1912-02-01
Device for starting synchromotor
CH55404A
(en )
1912-08-16
Process for the improvement of fluids
CH71808A
(en )
1916-02-16
Process for the production of gasoline from heavy hydrocarbons
CH50222A
(en )
1911-05-01
Process for purifying cocoa
CH54551A
(en )
1912-06-01
Method for warming up the engines of vehicles
CH72626A
(en )
1916-06-16
Process for the regeneration of mercury catalysts
CH73887A
(en )
1916-12-01
Process for the regeneration of mercury catalysts
CH60548A
(en )
1913-07-16
Process for processing waste paper
CH61489A
(en )
1913-10-01
Apparatus for making tires