CA100226A
(en )
1906-07-31
Electric furnace
CH37642A
(en )
1907-07-15
Equipment on electric furnaces to obtain thin slag
CH37917A
(en )
1907-08-31
Equipment on electrical transformer furnaces to attenuate the stray fields
FR382457A
(en )
1908-02-07
Combined electrometallurgical furnace
FR378483A
(en )
1907-10-05
Improvements to electric ovens
CH42242A
(en )
1909-01-16
Equipment on electrical transformer furnaces to reduce magnetic leakage
CH38488A
(en )
1907-10-31
Electric transformer furnace
CH39367A
(en )
1908-03-02
Electric transformer furnace
CH37780A
(en )
1907-07-31
Electric transformer furnace
FR365940A
(en )
1906-09-22
Improvements to metallurgical furnaces
CA104014A
(en )
1907-03-12
Electric smelting furnace
CA101046A
(en )
1906-09-18
Electric smelting furnace
CA102218A
(en )
1906-11-27
Electric smelting furnace
FR366362A
(en )
1906-10-03
Improvements to electric ovens
FR364476A
(en )
1906-08-23
Improvements to electric ovens
CH36974A
(en )
1907-03-31
Device for cooling the conductors of electrical power equipment
CH38149A
(en )
1907-09-15
Electric reduction and smelting furnace
CH43823A
(en )
1909-06-16
Equipment on electrical machines for cooling them
CH37145A
(en )
1907-04-30
Electric melting furnace
CH37672A
(en )
1907-07-15
Insulated electrical line
CH37134A
(en )
1907-04-30
Electrical device for target practice
FR365257A
(en )
1906-09-05
Improvements to electric clocks
FR367856A
(en )
1906-11-12
Improvements to electric clocks
FR368281A
(en )
1906-11-23
Improvements to electric clocks
CA103815A
(en )
1907-02-26
Electric furnace