DK42288C
(en )
1930-05-26
Procedure with associated device for purification of steam boiler water for sludge.
DK43692C
(en )
1931-02-09
Filter-free Apparatus for Purifying Boiler Water.
AT108217B
(en )
1927-12-10
Automatic sludge discharge device for steam boilers u. like
DK41337C
(en )
1929-12-23
Apparatus for Purification of Boiler Water.
DK38081C
(en )
1927-10-24
Device for automatic Purification of Steam Boilers Boiler water.
DK40670C
(en )
1929-08-26
Device for Water Pipe Boilers.
DK48271C
(en )
1934-01-15
Procedure for softening water and device therefor.
DK39229C
(en )
1928-09-10
Apparatus for Cleaning Steam Boilers.
DK44737C
(en )
1931-10-26
Apparatus for Cleaning the Pipes in Water Pipe Boilers.
DK46178C
(en )
1932-09-12
Device for Transport and Fueling of Small Boilers.
FR701165A
(en )
1931-03-12
Charcoal Saver for Steam Boiler
DK44219C
(en )
1931-06-15
Centrifuge with double cone-shaped drum housing and device for automatic emptying of the centrifuge drum.
ES112223A1
(en )
1929-06-16
Device for the uninterrupted and automatic evacuation of silt or silt from steam boilers and liquid reheaters.
DK44901C
(en )
1931-11-23
Device for Evaporation of Water.
DK39804C
(en )
1929-02-18
Burner for Removal of Boiler Stones from Boiler Pipes and the like.
DK37647C
(en )
1927-07-04
Steam boiler for locating rock and sludge formations.
DK38923C
(en )
1928-06-25
Device for Disinfection of Drinking Vessels.
DK43768C
(en )
1931-03-02
Device for gas hobs for automatic closing of the gas tap when the flame goes out.
DK43259C
(en )
1930-10-27
Procedure for Removing Household Waste from Kitchens.
DK44252C
(en )
1931-06-22
Device for water-carrying pipe walls for water pipe boilers.
DK42608C
(en )
1930-07-14
Device for water level taps and the like.
DK50280C
(en )
1935-05-27
Method for preheating the steam water of a steam boiler and device for carrying out this method.
DK47878C
(en )
1933-10-16
Ship Boiler Support Device.
FR647517A
(en )
1928-11-26
Burner for liquid fuels
DK39194C
(en )
1928-09-03
Apparatus for Heating Water.