CH53139A
(en )
1912-02-01
Device for the production of an insulating jacket or pipe wound in layers
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH69846A
(en )
1915-08-02
Process for the production of a protective jacket for coils from flat conductors
CH62956A
(en )
1914-01-02
Process for producing an insulating coating on conductors
CH47270A
(en )
1910-06-16
Method and device for the production of grease-proof paper tubes
CH69229A
(en )
1915-06-01
Method and device for the production of a metal jacket on insulating pipes
CH70509A
(en )
1915-10-01
Device for the production of insulating sleeves of different shapes, wound in layers
CH63394A
(en )
1914-01-16
Method and device for the production of welded pipes
CH57624A
(en )
1913-01-16
Device for the production of armature windings
AT41100B
(en )
1910-02-25
Process for the production of an aluminum solder.
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH64329A
(en )
1914-05-01
Process for producing an electrically insulating coating on wires
AT80061B
(en )
1920-02-25
Device for the production of metallic coatings Pressure medium.
AT75645B
(en )
1919-02-25
Process for the production of two or more part porcelain insulators.
CH54180A
(en )
1912-05-01
Process for the production of thin aluminum strips
CH51152A
(en )
1911-08-01
Method and device for the production of seamless tubes from hollow blocks
CH64923A
(en )
1914-05-01
Method and device for the production of a preparation containing diatase
CH74730A
(en )
1917-04-02
Device for making ropes
CH66777A
(en )
1914-10-16
Process for the manufacture of pipe fittings
CH73108A
(en )
1917-01-16
Method and device for the production of cardboard boxes
CH59594A
(en )
1913-05-16
Process for making an insecticide
CH69337A
(en )
1915-06-16
Process for the production of methyl alcohol from chloromethane
CH63578A
(en )
1914-02-02
Device for the production of black lead
CH68990A
(en )
1915-05-17
Process for the production of soluble silica
CH66889A
(en )
1914-10-16
Device for the production of extracts from luxury foods of all kinds