CH41454A
(en )
1908-10-16
Process for deoxidizing and carbonizing liquid iron
AT181608B
(en )
1955-04-12
Process for refining metals
CH44856A
(en )
1909-09-16
Process for the deoxidation of liquid iron in electric arc furnaces
AT46589B
(en )
1911-02-25
Method of welding cast iron.
CH41606A
(en )
1908-11-02
Process for tinning cast iron
AT27651B
(en )
1907-02-25
Process for hardening copper and copper alloys.
CH41626A
(en )
1908-11-02
Method of forming cast iron pillars
CH57094A
(en )
1912-12-16
Process for case hardening iron and steel objects
CH42507A
(en )
1909-02-01
Process for cleaning and refining green coffee
CH43957A
(en )
1909-07-01
Process for reducing the carbon content of iron
AT42154B
(en )
1910-05-10
Method and device for lautering mash.
CH40456A
(en )
1908-07-16
Process for dearsenating acids
CH42528A
(en )
1909-02-01
Method of pickling hides and hides
CH47091A
(en )
1910-06-01
Process and device for heating work equipment
CH42046A
(en )
1908-12-16
Method and device for degreasing metal objects
CH59939A
(en )
1913-06-16
Process and high pressure furnace for direct iron and steel production
CH41737A
(en )
1908-11-16
Method for dressing the end faces of clay tubes
CH47406A
(en )
1910-07-01
Method and machine for washing and drying straw
AT54816B
(en )
1912-08-10
Process and installation for the continuous tanning of hides.
AT39138B
(en )
1909-10-11
Process for desizing and de-sizing.
CH41792A
(en )
1908-11-16
Method of drawing metal dials
CH43460A
(en )
1909-05-17
Method and machine for spinning rings
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
AT22828B
(en )
1906-01-25
Method and device for washing filter mass.
CH42694A
(en )
1909-02-16
Process for the briquetting of coke chips