CH34493A
(en )
1906-04-30
Electric furnace for treating gases by means of electric flame arcs
CH35463A
(en )
1906-08-31
Furnace for the treatment of gases and gas mixtures by means of movable electric arcs
CH33465A
(en )
1905-12-15
Apparatus for treating gases by means of electric arcs
CH47954A
(en )
1910-09-01
Electric furnace for treating gases
CH39061A
(en )
1908-01-16
Electric furnace for treating gases
CH36825A
(en )
1907-03-15
Electric furnace for the treatment of gases by means of a moving arc
CH49432A
(en )
1911-02-01
Furnace for the treatment of gases with the electric flame arc
CH39060A
(en )
1908-01-16
Electrical system for carrying out gas reactions by means of electrical flame arcs
CH33694A
(en )
1905-12-31
Device for the production of nitrogen oxides by means of the alternating current flame arc
CH31466A
(en )
1905-04-15
Electric oven
CH31061A
(en )
1905-02-28
Electric transformer furnace
CH32809A
(en )
1905-09-15
Electric furnace system for carrying out gas reactions
CH45129A
(en )
1909-10-16
Method of treating gases by means of high-voltage electric flame arcs
CH25644A
(en )
1903-06-15
Furnace for producing dowsong gas
FR361627A
(en )
1906-09-17
Electric induction furnace using high frequency currents
AT27672B
(en )
1907-02-25
Process and apparatus for the introduction of electric arcs, especially when treating gases and gas mixtures by means of movable electric arcs.
FR352789A
(en )
1905-08-21
electrodes for electric ovens
CH43630A
(en )
1909-05-17
Process for the production of nitrogen oxide from mixtures of nitrogen and oxygen by means of the electric flame arc
CH30683A
(en )
1905-01-15
Electric muffle furnace
CH58407A
(en )
1913-03-01
Electric low voltage furnace for carrying out gas reactions
CH34177A
(en )
1906-03-15
Electric gas opener for flames
CA98588A
(en )
1906-04-17
Method of treating gases by means of voltaic arcs
FR342764A
(en )
1904-09-16
Electric annular furnace
DK15647C
(en )
1912-02-26
Oven for Treating Gases with an Electric Arc.
CH29814A
(en )
1904-10-15
Retort furnace for the production of luminous gas