DK40325C
(en )
1929-06-17
Device for regulating the firing by steam boilers.
SU8872A1
(en )
1929-04-30
The method of heating steam boilers
SU10157A1
(en )
1929-06-29
Boiler for cooking asphalt
DK41040C
(en )
1929-11-04
Fireplace for Steam Boilers.
DK41099C
(en )
1929-11-18
Fireplace for Steam Boilers.
DK38494C
(en )
1928-02-27
Boiler for Built-in Stoves.
DK41667C
(en )
1930-02-17
Procedure for heating boilers by finely divided fuel and boiler for carrying out the procedure.
DK41072C
(en )
1929-11-11
Device by plug-in boilers.
DK38285C
(en )
1927-12-27
Cylindrical, narrowed at the top Burner for oil burner.
DK42351C
(en )
1930-06-02
Device for regulating the heating effect of devices heated by steam.
DK33104C
(en )
1924-04-22
Device for Tile Stove Boilers.
DK34122C
(en )
1925-02-09
Device for Heating Water by Stoves.
DK36694C
(en )
1926-10-25
Feeder for Steam Boilers.
DK36764C
(en )
1926-11-08
Device for feeding steam boiler systems.
ES98222A1
(en )
1926-08-01
A reheater-vaporizer for steam boilers.
DK42743C
(en )
1930-08-11
Device for Ammunition Supply by Machine Weapons.
DK38230C
(en )
1927-12-12
Procedure for the Prevention of Deposition of Silica Boilers in Steam Boilers.
DK41531C
(en )
1930-01-27
Steam boiler.
DK41828C
(en )
1930-03-17
Steam boiler system for fuel dust firing.
ES101614A1
(en )
1927-05-01
Steam boiler feed device.
FR656834A
(en )
1929-05-14
Improvements to smoke-eating devices for stoves, steam boilers, etc.
DK46005C
(en )
1932-08-01
Device by Central Heating Boilers.
DK40046C
(en )
1929-04-22
Boiler plant for the development of superheated steam.
DK39229C
(en )
1928-09-10
Apparatus for Cleaning Steam Boilers.
DK46007C
(en )
1932-08-01
Procedure for Operating Steam Engines.