CH79987A
(en )
1919-02-01
Method and device for the electrical heating of rivets
CH82917A
(en )
1919-11-01
Electrical method and device for metal spraying
CH80530A
(en )
1919-07-16
Process for the electrical heating of ovens
CH78963A
(en )
1918-09-16
Process and device for the reduction of ores
CH82598A
(en )
1920-03-01
Method and device for the electrical treatment of gases and vapors
CH81372A
(en )
1919-06-02
Method and device for the simultaneous use of different types of electrical current
CH79341A
(en )
1918-11-01
Method and device for the extraction of shale oils
CH79445A
(en )
1919-04-16
Device for heat storage for cookers and ovens
CH79334A
(en )
1918-11-01
Device for electrical heating of ovens
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
CH78760A
(en )
1918-12-16
Electric radiator and method of making the same
CH80928A
(en )
1919-04-16
Procedure for heating rooms
CH81525A
(en )
1919-11-01
Method and device for the manufacture of screw connections for electrodes for melting furnaces and the like
AT126972B
(en )
1932-02-25
Method and device for the continuous charging of electric furnaces.
CH80023A
(en )
1919-02-01
Method and device for the electrical heating of ovens, in particular rotary kilns
CH78229A
(en )
1918-07-01
Device for electrical heating of inevitably moving media
CH80098A
(en )
1919-03-17
Electrical method and device for metal spraying
CH81875A
(en )
1919-07-16
Process and device for utilizing the waste heat from electrical melting furnaces
CH81453A
(en )
1919-06-16
Method and device for registering loose documents and the like
AT83486B
(en )
1921-04-11
Apparatus and method for charging the same for dry or wet sweating of sludge and similar products.
CH79747A
(en )
1919-01-02
Method of making hoes and similar devices
CH78308A
(en )
1918-07-01
Process and device for the production of dry fuels
CH79610A
(en )
1918-12-16
Electric lighting and heating apparatus
CH78309A
(en )
1918-07-01
Device for the electrical heating of burners for galvano-caustic and handcrafted pyrography
AT87525B
(en )
1922-03-10
Process for utilizing the heat contained in heating gases and apparatus for carrying out this process.