DK44525C
(en )
1931-08-24
Metal pipes and other metal objects that can withstand heating to a high temperature.
DK46502C
(en )
1932-11-21
Electric heat transfer apparatus, in particular for the production of steam.
DK44702C
(en )
1931-10-12
Method for producing a heat transfer agent with a low freezing point and low corrosion effect.
DK47631C
(en )
1933-08-14
Tap for steam wires and other wires.
DK44766C
(en )
1931-11-02
Procedure for the production of a rust-protecting and resistant to hydrocarbons, moisture, heat and cold Resistant silicate coating on iron.
DK50526C
(en )
1935-08-12
Fireplace for Central Heaters and Other Ovens.
DK44954C
(en )
1931-12-07
Gas and Furnace Production Procedure.
DK45366C
(en )
1932-03-07
Method for the production of dispersible and storage-resistant nitrophosphates.
FR627870A
(en )
1927-10-14
Heat transformation process
FR687972A
(en )
1930-08-18
Gas heated boiler
DK38968C
(en )
1928-07-09
Procedure for thermal insulation of flanges, elbows, valves and other irregularly shaped bodies.
DK45873C
(en )
1932-07-04
Installations for the production of gas and by-products by heating vegetable waste.
DK40999C
(en )
1929-10-28
Node connection to iron constructions of pipes, rods and the like.
DK43565C
(en )
1930-12-29
Percussion fire tube that can be set to delayed Ignition.
DK42543C
(en )
1930-07-07
Measures for Gas and Other Fluids.
DK46701C
(en )
1933-01-02
Heat collector for Petroleum Steam and Gas Appliances.
DK46411C
(en )
1932-10-31
Switch to gas-heated Hot water appliances.
DK44041C
(en )
1931-04-20
Fireplace wall consisting of water pipes and overhead pipes.
AT136661B
(en )
1934-02-26
Heat-resistant aluminum-chromium-nickel-iron alloys.
DK47895C
(en )
1933-10-23
Method and systems for heating by steam.
DK48981C
(en )
1934-07-09
Devices at hot water heating systems.
DK48592C
(en )
1934-04-03
Burner for Gas Stoves and Other Heaters.
DK39659C
(en )
1928-12-27
Automatic Shut-off device for the heat source for a medium that is desired to be heated to a certain temperature.
DK45792C
(en )
1932-06-13
Procedure and Boiler Plant for Periodic Increase of a Steam Boiler Production.
DK44642C
(en )
1931-09-28
Method and Device for Manufacturing Welded Pipes.