FR626847A
(en )
1927-09-20
Improvement in furnaces intended for low temperature carbonization of fuels
FR620333A
(en )
1927-04-20
Furnace for carbonization at low temperature and in continuous operation of hydrocarbon materials
FR618464A
(en )
1927-03-10
Furnace for low temperature carbonization of all fuels
FR35200E
(en )
1929-12-17
Furnace for carbonization at low temperature and in continuous operation of hydrocarbon materials
FR687603A
(en )
1930-08-11
Improvements to fireplaces or ovens burning pulverized fuel
FR885080A
(en )
1943-09-03
Improvements to low temperature carbonization furnaces
FR698606A
(en )
1931-02-02
Low temperature fuel carbonization method and apparatus
FR778874A
(en )
1935-03-26
Device for moving, in particular, the heating walls of furnaces for carbonization of coal at low temperature
FR625807A
(en )
1927-08-20
Improvements to liquid fuel furnaces
FR690939A
(en )
1930-09-27
Improvements made to retorts or furnaces intended for the low temperature distillation of carbonaceous materials
FR736306A
(en )
1932-11-22
Low temperature carbonization process and furnaces
FR826732A
(en )
1938-04-07
Method and apparatus for low temperature carbonization of coal, lignite and the like
FR757945A
(en )
1934-01-08
Low temperature carbonization furnace
FR819275A
(en )
1937-10-13
Low temperature carbonization furnace
FR617522A
(en )
1927-02-21
Low temperature distillation process for mineral fuels
FR43289E
(en )
1934-04-17
Retort furnace for low temperature carbonization
FR697085A
(en )
1931-01-12
Low temperature carbonization process of fuel
FR672211A
(en )
1929-12-24
Low temperature distillation or carbonization of bituminous coals
FR766988A
(en )
1934-07-07
Process and furnace for carbonization at low temperature in retorts
FR629359A
(en )
1927-11-09
Advanced flue construction for regenerative coke ovens
FR630208A
(en )
1927-11-25
Carbonization furnace
FR627991A
(en )
1927-10-17
Improvements to gasifiers or shaft furnaces
FR697962A
(en )
1931-01-26
Improvements to so-called shaft furnaces
FR662617A
(en )
1929-08-09
Process for the purification of combustible gases and others
FR624994A
(en )
1927-07-30
Method of regulating gas sampling in retorts or chamber furnaces