CH33479A
(en )
1905-12-15
Water tap in an installation for sterilizing water by means of an electric current
FR4667E
(en )
1905-09-16
Apparatus for sterilizing water by means of an electric current
CH32413A
(en )
1905-07-31
Apparatus for sterilizing water by means of an electric current
FR2018E
(en )
1903-11-24
Bath heater with special arrangement for water distribution
CH28481A
(en )
1904-04-30
Installation for storing water
FR357368A
(en )
1905-12-26
Switching pole with series excitation for direct current dynamos
FR331737A
(en )
1903-09-28
Improvements to electrical appliances for water heating
CH27697A
(en )
1904-02-15
Electric channel for iron electrometallurgy
FR379848A
(en )
1907-11-20
Electric drinking water sterilizer
FR343184A
(en )
1904-09-27
Water intake valve for electric filters
CH35869A
(en )
1906-10-31
Installation for the production of electrical energy by means of an alternating current generator with unipolar exciter
FR341696A
(en )
1904-08-17
Current collector for electric traction
FR342597A
(en )
1904-09-12
Device for limiting the intensity of electric current
FR452914A
(en )
1913-05-27
System for transforming energy meters for direct current or alternating currents into overflow meters
FR367211A
(en )
1906-10-24
Arrangement of auxiliary poles for direct and alternating current machines with switch
FR361659A
(en )
1906-09-25
Clock to automatically turn on or off an electric current
CH31341A
(en )
1905-03-31
Installation for water clarification
CH28096A
(en )
1904-03-31
Electric meter for direct current
FR393674A
(en )
1908-12-30
Boat electric waterway warning system
FR383426A
(en )
1908-03-09
Electric device for water heating
FR357880A
(en )
1906-01-18
Method for working metals by means of an alternating current electric arc
FR5577E
(en )
1906-05-11
Method for working metals by means of an alternating current electric arc
CH28582A
(en )
1904-05-31
Installation for the production of periodic electric currents
FR360010A
(en )
1906-04-11
Switching pole for electrical machines
FR328508A
(en )
1903-07-11
Water meter tap