CH82432A
(en )
1919-10-01
Method and device for the production of a light mineral oil from heavy mineral oils and their waste products
CH42291A
(en )
1909-01-16
Method and device for gasifying liquid fuels, especially heavy oils
CH74532A
(en )
1917-03-01
Process and device for the recovery of fats, oils, gasoline and other specifically light substances from wastewater
CH53116A
(en )
1912-02-01
Method and device for the production of bodies provided with helical surfaces
CH73108A
(en )
1917-01-16
Method and device for the production of cardboard boxes
CH74846A
(en )
1917-04-16
Method and device for collecting fatty substances from liquids
CH59427A
(en )
1913-05-02
Process for the production of fragrant mineral oil fractions
CH80642A
(en )
1919-03-17
Device for the recovery of fats, oils, gasoline and other specifically light substances from waste water
CH46547A
(en )
1910-04-01
Firelighter together with the process and device for producing the same
CH58348A
(en )
1913-03-01
Method and apparatus for manufacturing pressed bodies
CH63394A
(en )
1914-01-16
Method and device for the production of welded pipes
CH43636A
(en )
1909-05-17
Process for the production of a rust preventive and lubricant
AT46547B
(en )
1911-02-25
Method and device for separating mixtures of oil and water or other foreign bodies.
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH54859A
(en )
1912-07-01
Method and device for the production of mineral water
CH56294A
(en )
1912-10-16
Process and device for garbage disposal
CH50228A
(en )
1911-05-01
Method and device for pre-treating water for its purification
CH55279A
(en )
1912-08-01
Method of conveying bricks and apparatus for use in the method
CH49460A
(en )
1911-02-16
Method and device for the manufacture of the lower parts of Stauff lubricating bushes
CH69348A
(en )
1915-06-16
Method and device for the production of articles from paper pulp
CH61437A
(en )
1913-10-01
Method and device for arranging documents during their production
CH64923A
(en )
1914-05-01
Method and device for the production of a preparation containing diatase
CH47270A
(en )
1910-06-16
Method and device for the production of grease-proof paper tubes
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
CH74127A
(en )
1917-01-16
Method and device for evaporating liquids