CH53772A
(en )
1912-04-01
Method and device for the production of nitrogen oxides from nitrogen-oxygen mixtures
CH57767A
(en )
1913-02-01
Process for extracting oxygen and nitrogen from air
CH52711A
(en )
1911-12-16
Process and device for the production of atmospheric nitrogen
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH43481A
(en )
1909-05-17
Etching method and apparatus for carrying out the same
CH53635A
(en )
1912-03-16
Method and device for the production of detonating tapes in one operation
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH58635A
(en )
1913-03-17
Method and device for the production of silk and other fine fabrics
CH50221A
(en )
1911-05-01
Process and device for the production of bonbonnières
CH64048A
(en )
1914-03-02
Method and device for the production of objects from plastic masses
CH48667A
(en )
1910-11-16
Method and device for the production of hollow stones
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH53534A
(en )
1912-03-01
Method and device for the production of stone slabs
CH74527A
(en )
1917-03-01
Method and device for the continuous production of nitrogen compounds from metal carbides
CH76738A
(en )
1918-02-01
Process and device for the separation of gas mixtures by means of rectification
AT46528B
(en )
1911-02-25
Method and device for manufacturing the base of goblets.
CH65645A
(en )
1914-07-01
Method and device for manufacturing wheel tires
CH69348A
(en )
1915-06-16
Method and device for the production of articles from paper pulp
CH51832A
(en )
1911-09-16
Method and device for the production of wire ring braids
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH44829A
(en )
1909-09-16
Method and device for the production of plastic sweets
CH43442A
(en )
1909-05-17
Process and device for the production of gas from liquid fatty and hydrocarbons
CH57844A
(en )
1913-02-01
Method and device for generating cooling air
CH43631A
(en )
1909-06-01
Method and apparatus for the production of ozone
CH51388A
(en )
1911-09-01
Method and device for the production of artificial stones