CH72456A
(en )
1916-05-16
Method and device for separating different types of material
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH61499A
(en )
1913-10-01
Method and device for drying material
CH77384A
(en )
1918-04-16
Method and device for making used envelopes reusable
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH57596A
(en )
1913-01-16
Method and device for the production of rings with setting
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH57547A
(en )
1913-01-16
Method and device for the evaporation of liquids
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH79612A
(en )
1918-12-16
Method and device for manufacturing objects from concrete
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
AT82801B
(en )
1921-02-25
Method and device for the dialytic separation of colloids and crystalloids.
CH55941A
(en )
1912-09-16
Process and device for the production of explosive charges
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH51388A
(en )
1911-09-01
Method and device for the production of artificial stones
CH74127A
(en )
1917-01-16
Method and device for evaporating liquids
CH68035A
(en )
1915-02-01
Method and device for making the knots of oriental carpets
CH74048A
(en )
1917-01-02
Method and apparatus for making conical rolls of precise dimensions
CH53635A
(en )
1912-03-16
Method and device for the production of detonating tapes in one operation
CH54859A
(en )
1912-07-01
Method and device for the production of mineral water
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH55724A
(en )
1912-09-02
Method and device for shedding looms
CH69348A
(en )
1915-06-16
Method and device for the production of articles from paper pulp