CH82012A
(en )
1919-08-16
Process and furnace for the carbonization of wood
FR517443A
(en )
1921-05-06
Process for increasing the density of wood
FR494671A
(en )
1919-09-16
Process and devices for industrial carbonization of wood
FR526377A
(en )
1921-10-07
Continuous furnace for carbonization of wood
FR500621A
(en )
1920-03-18
Process for the hardening of impregnable soft woods and their conservation
FR528146A
(en )
1921-11-07
Process for felling and truncating wood
FR487714A
(en )
1918-07-23
Kiln for carbonization of peat
CH82006A
(en )
1919-08-16
Process and furnace for the calcination of carbonates
FR487008A
(en )
1918-05-29
Wood forging process
FR502427A
(en )
1920-05-14
Furnace for carbonization and manufacture of cement
CH75678A
(en )
1917-09-01
Process and furnace for the refining of volatile metals
CH78065A
(en )
1918-06-17
Chipboard and process for its manufacture
FR489986A
(en )
1919-03-26
Peat carbonization process
FR491557A
(en )
1919-06-07
Artificial fuel, process and apparatus for its manufacture
FR498162A
(en )
1919-12-31
Improvements in furnaces for carbonization or wood distillation
CH77114A
(en )
1918-03-01
Cigar and process for its manufacture
FR487886A
(en )
1918-08-02
Construction process for timber structures
FR512240A
(en )
1921-01-18
Improved process and apparatus for the destructive distillation and carbonization of pitch
FR484233A
(en )
1917-09-14
Peat carbonization process
CH81906A
(en )
1919-08-01
Method and apparatus for the distillation of wood and peat
FR508167A
(en )
1920-10-04
Process for the production of combustible steam
FR513311A
(en )
1921-02-12
Process and installation for the preparation of bleaching carbon
FR688258A
(en )
1930-08-21
Furnace perfected for the carbonization of wood and other materials
FR510996A
(en )
1920-12-14
Heat-insulating blocks and their manufacturing process
FR515099A
(en )
1921-03-24
Process improvements for the distillation and carbonization of low density cellulosic materials