CA143957A
(en )
1912-11-12
Apparatus for treating moulding and casting metals
CH68501A
(en )
1915-03-16
Device for easy removal of the die magazines on die setting and line casting machines
CH60206A
(en )
1913-07-01
Casting device with built-in heating device for melting the cast material
CH64949A
(en )
1914-05-16
Device for the production of locked sets of die setting and line casting machines
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH67470A
(en )
1914-12-16
Device for cooling and venting the propellant of hydraulic gears
CH60393A
(en )
1913-07-16
Device to facilitate hearing
FR487770A
(en )
1918-07-24
Molding frame for ingot molds and the like
FR471332A
(en )
1914-10-23
Umbrella casting and process for making it
CH56642A
(en )
1912-11-16
Device for preventing the nails from becoming crooked
FR518420A
(en )
1921-05-26
Improvements to printing boards and the processes used to manufacture them
CH50984A
(en )
1911-07-17
Device for casting objects in metal molds
CH61911A
(en )
1913-10-16
Process for the separation of the racemic o-dioxyphenyl-a-propanolamine into the optically active components
FR505194A
(en )
1920-07-24
Molding and release processes for inlays on concrete
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH77534A
(en )
1918-05-01
Method and device for feeding the material in electro-osmotic drainage devices
CH65586A
(en )
1914-06-16
Device for the automatic supply of cooling water for grinding wheels
CH63578A
(en )
1914-02-02
Device for the production of black lead
CH69001A
(en )
1915-05-17
Die setting and line casting machine
CH73664A
(en )
1916-11-01
Device for saving heating material
CH66975A
(en )
1914-11-02
Process for processing the gas water in small gas works
CA180011A
(en )
1917-10-30
Metal moulding and casting device
CH75433A
(en )
1917-12-17
Vessel closure with device for partial removal of the contents of the vessel
CH68452A
(en )
1915-03-16
Device for water heating