FR737728A
(en )
1932-12-15
Method and device for influencing the rate of combustion in the crucible of shaft furnaces
FR732738A
(en )
1932-09-24
Method and device for operating sludge rot chambers
FR810380A
(en )
1937-03-20
Method and device for the heat treatment of ingots
FR721300A
(en )
1932-03-01
Method and device for cooling the furnace head in martin-siemens furnaces and similar furnaces
FR774622A
(en )
1934-12-10
Method and device for the protection of masonry and their refractory components
FR731328A
(en )
1932-09-01
Process and furnaces for the heat treatment of metals
FR668820A
(en )
1929-11-07
Method and device for the annealing and sudden cooling of sheets
FR749141A
(en )
1933-07-18
Method and device for carrying out the preliminary drying of combustible materials for hearths and more particularly for slush stoves
FR676428A
(en )
1930-02-22
Method and device for deoxidizing annealing of metals
FR38008E
(en )
1931-03-03
Method and device for reducing dust losses in shaft furnaces
FR773369A
(en )
1934-11-16
Method and device for roasting ores in rotary tube furnaces
FR685573A
(en )
1930-07-11
Method and device for reducing dust losses in shaft furnaces
FR721880A
(en )
1932-03-09
Method and device for thermal treatment of fuels
FR718478A
(en )
1932-01-25
Operating method of melting tank furnaces and device used for this purpose
FR868863A
(en )
1942-01-19
Method and device for operating vat roasting furnaces and the like
FR754963A
(en )
1933-11-17
Method and device for carrying out the differential hardening of the armor plates
FR763448A
(en )
1934-04-30
Method and furnace for roasting sulfur-containing ores
FR880461A
(en )
1943-03-26
Method and device for the controlled cooling of annealing furnaces for light alloys
FR763881A
(en )
1934-05-08
Method and device for the treatment of hydrocarbons
FR778787A
(en )
1935-03-23
Method and device for the production of cast iron
FR739672A
(en )
1933-01-16
Improved process of heat treatment of metals and furnace for its realization
FR780012A
(en )
1935-04-17
Method and device for fixing metal elements to ceramic parts
FR766496A
(en )
1934-06-28
Method and device for retort furnaces and chamber furnaces
FR530415A
(en )
1921-12-22
Method and device for regulating temperatures and straightening the fire plane in vertical furnaces
FR671701A
(en )
1929-12-18
Cooling device for the furnace head in siemens-martin and similar furnaces