CH24338A
(en )
1902-12-15
Apparatus for the electrolysis of solutions of metal salts and in particular of copper salts
CH24456A
(en )
1902-12-31
Apparatus for the electrolysis of solutions of zinc salts
FR360602A
(en )
1906-04-27
Use of autoclaves in metallurgy for the treatment of ores and the separation of metals
CH16442A
(en )
1898-11-30
Advanced apparatus for the electrolytic production of metal alloys
CH8247A
(en )
1894-09-15
Advanced apparatus for the electrolysis of chlorides and other salts
CH8248A
(en )
1894-09-15
Advanced apparatus for the electrolysis of chlorides and other salts
FR348747A
(en )
1905-04-25
Method and apparatus for stripping metal surfaces
FR350668A
(en )
1905-06-22
Process and apparatus for extracting gold from waters containing this metal
FR357637A
(en )
1906-01-08
Method and apparatus for cooling soap solutions
FR368110A
(en )
1906-11-19
Method and apparatus for performing the casting of metal alloys
CH19389A
(en )
1900-06-30
Electrolyser apparatus for the extraction of metals lighter than electrolyte
FR347012A
(en )
1905-02-20
Machine for the production of pipes and bars of lead or lead alloys
AU211804B
(en )
1905-08-15
Improvements in electrolytic process and apparatus
FR335568A
(en )
1904-02-01
Process for the electrolytic production of alkaline earth metals and in particular metallic calcium
FR347224A
(en )
1905-02-28
Apparatus for detecting the shape of bodies
FR389107A
(en )
1908-09-01
Method and apparatus for reducing the friction of hulls in water
FR331669A
(en )
1903-09-25
Process for obtaining metal deposits that protect against oxidation
FR325325A
(en )
1903-04-25
Advanced apparatus for the generation and electrolytic application of electric currents
FR332639A
(en )
1903-11-03
Apparatus for dissolving products intended to prevent scaling in steam boilers
FR348055A
(en )
1905-03-31
Apparatus for the use of sea forces
CH22718A
(en )
1902-03-31
Adjustable cooling device for metal baths in melting furnaces for treating tools
CH24580A
(en )
1903-01-31
Metallurgical apparatus for the production of cast iron
CH23115A
(en )
1902-05-31
Electrolytic apparatus for obtaining chlorates using metal chlorides
FR358991A
(en )
1906-03-13
Method and apparatus for water purification
FR344209A
(en )
1904-10-28
Method and apparatus for drawing tubes