CH78229A
(en )
1918-07-01
Device for electrical heating of inevitably moving media
CH79334A
(en )
1918-11-01
Device for electrical heating of ovens
CH80530A
(en )
1919-07-16
Process for the electrical heating of ovens
CH80418A
(en )
1919-03-01
Device on electric trolleys for securing contact interruption
CH79987A
(en )
1919-02-01
Method and device for the electrical heating of rivets
CH83395A
(en )
1919-12-01
Device for massaging
CH80262A
(en )
1919-02-17
Device for advancing ring-shaped bodies
CH78546A
(en )
1918-08-01
Device for electroosmotic drainage
CH79177A
(en )
1918-10-16
Device for electroosmotic drainage
CH80187A
(en )
1919-02-17
Device for utilizing the heat of the exhausting furnace gases
DK26917C
(en )
1920-11-15
Fastening device for the electrodes of electrical air purifiers.
CH79673A
(en )
1919-05-01
Electrical measuring device
CH79445A
(en )
1919-04-16
Device for heat storage for cookers and ovens
CH80467A
(en )
1919-07-01
Hot air apparatus
FR519491A
(en )
1921-06-10
Plug
CH79940A
(en )
1919-06-02
Kötzer push-off device
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
FR489341A
(en )
1919-01-22
Electrical distribution system for generators
CH79770A
(en )
1919-01-02
Cooking apparatus
CH79779A
(en )
1919-05-16
Device for the production of repeatless embroidery
CH80105A
(en )
1919-02-01
Calculating apparatus
FR489304A
(en )
1919-01-22
Lighting apparatus for microscopes
CH80100A
(en )
1919-02-01
Electrically heatable die
CH82253A
(en )
1919-09-16
Device for destroying foam
CH80803A
(en )
1919-09-01
Device for increasing the draft in chimneys