FR669532A
(en )
1929-11-18
Process and device for the production of iron alloys free from gas and in particular oxygen
FR707139A
(en )
1931-07-03
Process and device for the purification and dedusting of industrial gases
FR676428A
(en )
1930-02-22
Method and device for deoxidizing annealing of metals
AT174930B
(en )
1953-05-26
Nozzle for refining liquid iron and metal alloys
FR1049773A
(en )
1953-12-31
Process for refining steel and steel alloys
FR659156A
(en )
1929-06-25
Malleable iron melting bed and method and apparatus for the cupola manufacture of quality malleable iron
FR704987A
(en )
1931-05-29
Apparatus and method for quenching and carburizing metals
FR1100648A
(en )
1955-09-22
Method and apparatus for the manufacture of steel and other metals
FR762562A
(en )
1934-04-13
Method and apparatus for the purification of molten metals
FR711202A
(en )
1931-09-05
Method and apparatus for the production of inert gas composed of carbon dioxide and nitrogen
FR705190A
(en )
1931-06-02
Method and device for the production of solid carbon dioxide
FR697054A
(en )
1931-01-12
Method and apparatus for feeding molten glass
FR685872A
(en )
1930-07-18
Method and device for melting scrap metal
BE411892A
(en )
1935-11-30
Method and apparatus for the purification of molten metals
FR710119A
(en )
1931-08-19
Process for the production of cyanamides of alkaline earth metals and magnesium
FR625213A
(en )
1927-08-05
Method and apparatus for the production of iron and steel
FR732958A
(en )
1932-09-28
Process for the production of metals, metal mixtures and metal alloys containing carbon
FR746189A
(en )
1933-05-23
Method and device for the production of welded pipes of strip iron
FR618661A
(en )
1927-03-15
Process to protect metals from oxidation and prevent gas absorption during smelting and refining
FR47712E
(en )
1937-06-22
Method and apparatus for the purification of molten metals
FR681308A
(en )
1930-05-13
Process and installation for the removal of ammonia and hydrogen sulphide from gases by means of solutions of metal thionates
FR708837A
(en )
1931-07-29
Process for removing ammonia and hydrogen sulfide from gases
FR699565A
(en )
1931-02-17
Method and device for the production of high temperatures
FR681776A
(en )
1930-05-19
Penetrating self-coating process for iron and steel
FR601376A
(en )
1926-03-01
Method and apparatus for the enrichment of ores and coals