CH76770A
(en )
1918-07-01
Method and device for generating heat
CH81085A
(en )
1919-11-01
Process for generating heat
CH59499A
(en )
1913-05-16
Method and device for generating cold
CH77384A
(en )
1918-04-16
Method and device for making used envelopes reusable
CH55101A
(en )
1912-09-02
Device for generating cold
CH75401A
(en )
1917-07-16
Method and device for starting the engine of motorcycles
CH76255A
(en )
1917-11-16
Device for parallel and series connection of resistors
CH77761A
(en )
1918-05-16
Method and device for shredding sticks and for producing sticks
CH74478A
(en )
1917-03-01
Method and device for room cooling
AT87324B
(en )
1922-02-25
Method and device for making trains in tubes.
CH64096A
(en )
1914-03-02
Method and device for generating high-frequency currents
CH59993A
(en )
1913-06-16
Method and device for the full utilization of the heating gases
CH79958A
(en )
1919-02-01
Process and device for the production of magnesium chloride
CH75453A
(en )
1917-08-01
Method and device for softening water
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH76222A
(en )
1917-11-16
Method and device for bending tubes
CH66499A
(en )
1914-09-16
Method and device for treating solutions with gases
AT108675B
(en )
1928-01-25
Method and device for generating non-oxidizing protective gases.
CH54044A
(en )
1912-04-16
Method and device for generating hair waves
CH76099A
(en )
1918-03-16
Method and device for processing animal waste
CH79346A
(en )
1919-01-16
Method and device for determining the exposure time in photographic recordings
CH79929A
(en )
1919-01-16
Process for generating luminous gas and water gas
CH77909A
(en )
1918-10-01
Method and apparatus for darning knitted objects
CH80514A
(en )
1919-03-17
Method and device for mechanically dividing peat