CH131053A
(en )
1929-01-31
Process and device for melting glass, silicates and other minerals.
CH131628A
(en )
1929-02-28
Method and device for heating rotating melting furnaces.
AT127062B
(en )
1932-02-25
Device for utilizing the fly coke in furnaces.
CH131623A
(en )
1929-02-28
Method and device for straightening the lever action of clockworks.
AT108957B
(en )
1928-02-25
Method and device for spinning glass.
AT111009B
(en )
1928-10-25
Method and device for making collars.
FR653995A
(en )
1929-03-29
Method and heating device for melting crucibles
DK37790C
(en )
1927-08-08
Apparatus for heating bitumen and similar materials.
CH195945A
(en )
1938-02-28
Process and system for cooling dedusted roasting gases.
AT108950B
(en )
1928-02-25
Method and device for impregnating lace lace.
AT116527B
(en )
1930-02-25
Process for preparing, heating up and starting up contact furnaces.
AT126972B
(en )
1932-02-25
Method and device for the continuous charging of electric furnaces.
AT127083B
(en )
1932-02-25
Method and device for reinforcing insoles.
AT140833B
(en )
1935-02-25
Process for making crucibles and furnace stoves
AT108686B
(en )
1928-01-25
Melting process and electric furnace for treating melts.
FR635385A
(en )
1928-03-14
Method and device for heating melting furnaces
CH138432A
(en )
1930-02-28
Method of operating high frequency furnaces.
CH172134A
(en )
1934-09-30
Device for preheating blowtorches and the like.
AT114651B
(en )
1929-10-25
Method and device for directing cooking processes.
AT116490B
(en )
1930-02-25
Procedure for testing and commissioning power lines.
CH145390A
(en )
1931-02-28
Process and furnace system for the production of molten cement.
CH145395A
(en )
1931-02-28
Device for applying floor wax and the like.
CH138265A
(en )
1930-02-28
Method and device for purifying air.
FR647046A
(en )
1928-11-19
Welding method and device
AT126980B
(en )
1932-02-25
Process for melting down easily fusible and easily oxidizable metals.