DK40504C
(en )
1929-07-22
Shaft furnace for the handling of metal and metal ores.
DK46843C
(en )
1933-01-30
Process for the production of sulfur and oxides of iron from sulphide-containing iron ores.
DK49551C
(en )
1934-11-19
Procedure for Reducing Ore and Furnace for Carrying Out the Procedure.
FR637460A
(en )
1928-05-01
Further training in metallurgical furnaces
FR653930A
(en )
1929-03-29
Refrigerant annealing and pickling furnace
GR1479B
(en )
1927-04-13
SPECIAL IRON SULFUR METAL MELTING OVEN.
DK38477C
(en )
1928-02-27
Procedure for processing zinc-containing ores and mining products.
DK40077C
(en )
1929-04-29
Apparatus for limestone and machines for the manufacture of such.
FR653900A
(en )
1929-03-28
Advanced metal alloy
DK31074C
(en )
1923-01-08
Procedure for Smelting in Shaft Furnaces or the like, and associated Furnace Installations.
DK38856C
(en )
1928-06-11
Gas stove and the like.
CA267252A
(en )
1927-01-04
Reverberatory furnace
CA274367A
(en )
1927-10-04
Reverberatory furnace
FR625122A
(en )
1927-08-03
components for muffle furnaces
DK41300C
(en )
1929-12-16
Procedure for the manufacture of drive belts and the like.
FR33467E
(en )
1928-09-28
components for muffle furnace
DK40358C
(en )
1929-06-24
Procedure for the manufacture of pulleys and the like.
DK41303C
(en )
1929-12-16
Procedure for the production of dense and blister-free castings of so-called white metal.
DK40890C
(en )
1929-10-07
Creep chain for Atomobiles and the like.
DK45557C
(en )
1932-04-18
Duct installation and duct stones for the transport of liquid metal, in particular of rising castings.
CA268191A
(en )
1927-02-08
Metal melting furnace
FR645212A
(en )
1928-10-22
Improvements to furnaces for roasting ores
FR654763A
(en )
1929-04-10
Improvements in annealing furnaces
DK39758C
(en )
1929-01-28
Method for the manufacture of interconnected castings and devices for the same execution.
DK42540C
(en )
1930-07-07
Procedure for the manufacture of transformer sheets and similar sheets.