CH205318A
(en )
1939-06-15
Arrangement for short-term switching of alternating current.
CH236475A
(en )
1945-02-15
Method and device for regulating and / or interrupting electrical currents.
CH94755A
(en )
1922-05-16
Transformer for feeding multi-phase rectifiers.
FR566126A
(en )
1924-02-09
Rectifying device for alternating electric currents
FR834552A
(en )
1938-11-24
Device for high voltage alternating current power lines
CH80919A
(en )
1919-04-16
Device for holding sheaves
CH83107A
(en )
1919-11-17
Device for cutting open cans
CH225436A
(en )
1943-01-31
Procedure for turning off alternating current.
CH78779A
(en )
1918-09-02
Device for opening canning jars
CH77860A
(en )
1918-06-01
Device for binding and carrying packages
FR508996A
(en )
1920-10-28
Device for rectifying alternating currents
CH79456A
(en )
1918-11-16
Apparatus for cutting fruit
CH81132A
(en )
1919-06-02
Device for drying liquids
CH79987A
(en )
1919-02-01
Method and device for the electrical heating of rivets
CH78166A
(en )
1918-07-01
Device for counting coins
CH258966A
(en )
1948-12-31
Method and device for electroforming rectifier elements.
CH292218A
(en )
1953-07-31
Arrangement for voltage regulation of alternating current circuits.
CH81453A
(en )
1919-06-16
Method and device for registering loose documents and the like
CH231134A
(en )
1944-02-29
Circuit for keeping the current supplied to an alternating current consumer constant.
CA212996A
(en )
1921-08-16
Rectifier for alternating currents
CH80805A
(en )
1919-04-01
Device for cleaning cutlery
CH79839A
(en )
1919-01-16
Device for tensioning wire
CH80410A
(en )
1919-06-02
Apparatus for quickly drawing symmetrical lines
DK32912C
(en )
1924-03-03
Coupling device for Parallel coupling of AC generators with relatively high Frequency.
CH69463A
(en )
1915-06-16
Device for opening canned food