DK30164C
(en )
1922-09-04
Apparatus for the distillation of coal and similar carbonaceous substances.
DK33648C
(en )
1924-09-08
Procedure for the Production and Resuscitation of Activated Coal.
DK35222C
(en )
1925-11-02
Procedure for the Production and Resuscitation of Activated Coal.
DK33552C
(en )
1924-08-18
Procedure for the production of briquettes of fine-grained coke or charcoal.
DK37347C
(en )
1927-04-11
Procedure for the manufacture of valuable liquid products of coal, tar, mineral oil and the like.
DK33649C
(en )
1924-09-08
Procedure for the production of decolorizing coal.
DK41945C
(en )
1930-03-31
Procedure for the Production of Highly Activated Coal.
DK27736C
(en )
1921-06-06
Process for the distillation of wood, wood fibers and similar carbonaceous substances.
DK34354C
(en )
1925-04-06
Apparatus for the Treatment of Hydrocarbons.
DK37209C
(en )
1927-03-07
Method for Extraction of Valuable Liquid Products of Coal, Tar, Mineral Oils and the like.
ES77978A1
(en )
1921-06-16
Improvements in the retorts for the distillation of carbonaceous substances.
DK35094C
(en )
1925-10-05
Procedure for Treating Coal Tar.
DK30041C
(en )
1922-08-07
Retort for Distillation of Carboniferous Substances.
DK33312C
(en )
1924-06-02
Procedure for the Manufacture of Charcoal Lighters.
DK33510C
(en )
1924-08-04
Procedure for the Production of Charcoal.
DK27327C
(en )
1921-03-21
Dunk for Lak and the like.
DK35935C
(en )
1926-05-03
Procedure for the manufacture of briquettes of coal and coke mold and apparatus for carrying out the procedure.
DK27996C
(en )
1921-07-11
Devices relating to the destructive distillation of wood, wood pulp and similar carbonaceous substances.
DK33119C
(en )
1924-04-22
Tightening device for endless Conveyors.
ES77979A1
(en )
1921-06-16
Improvements in the distillation of coal and similar carbonaceous substances.
DK34217C
(en )
1925-03-02
Procedure for the production of paints and the like.
DK26929C
(en )
1920-11-22
Substrate for Switches and the like.
DK31390C
(en )
1923-03-05
Apparatus for the apparatus for cleaning potatoes and the like.
DK33413C
(en )
1924-07-07
Lantern for Bicycles and the like.
DK24102C
(en )
1919-02-17
Lignite and the Procedure for its Manufacture.