DK24081C
(en )
1919-02-10
Method and Apparatus for Cleaning Steam Boiler Pipes.
DK16645C
(en )
1912-11-11
Method and Apparatus for Steam Overheating.
DK22507C
(en )
1917-10-08
Apparatus for cleaning boiler pipes.
DK21378C
(en )
1916-07-24
Method and Apparatus for Connecting Parallel Pipes to a U-Pipe.
DK14304C
(en )
1911-03-06
Method and Apparatus for Heating Water Using Electricity.
DK15513C
(en )
1912-01-22
Apparatus for the formation of U-shaped welded Superheater tubes for flue boilers and the like.
DK16498C
(en )
1912-10-07
Cleaning apparatus for Boiler pipes and the like.
DK22099C
(en )
1917-05-07
Method and apparatus for cold drawing of pipes and the like.
DK17932C
(en )
1913-10-13
Method and Apparatus for Sealing Gas Pipes.
DK25907C
(en )
1920-05-03
Procedure and apparatus for cleaning flue pipes, superheater pipes or preheater pipes in locomotive boilers and similar boilers.
DK12508C
(en )
1909-09-13
Apparatus for cleaning steam boilers, tanks, coal tanks, ship walls and other surfaces.
DK12702C
(en )
1909-11-15
Apparatus for Accelerating the Circulation of Hot Water in Boilers, Pipes and the like.
DK11816C
(en )
1909-02-15
Apparatus for Providing Water Circulation in Steam Boilers.
DK19520C
(en )
1914-11-23
Apparatus for Blowing Out the Boiler's Flue Pipe.
DK20898C
(en )
1916-01-10
Method and apparatus for working metals and the like under water.
DK27707C
(en )
1921-05-30
Apparatus for Sealing Flue Pipes in Steam Boilers and Liners.
DK24703C
(en )
1919-06-30
Device for cleaning boiler walls, pipes, bottoms and the like.
DK16875C
(en )
1913-01-20
Procedure and Apparatus for Treating Hard Water.
DK24092C
(en )
1919-02-17
Method and Apparatus for Treating Coal.
DK21718C
(en )
1916-12-11
Method and Apparatus for Ignition of Gas Mixtures Under Water.
DK26475C
(en )
1920-08-23
Apparatus for cleaning the pipes in water pipes for soot, dust and the like.
CH71731A
(en )
1916-02-16
Method and device for cleaning steam boiler tubes
DK21563C
(en )
1916-10-09
Method and Apparatus for Manufacturing Ribbed Tubes and the Like.
DK10715C
(en )
1908-04-13
Apparatus for cleaning deposits in flues and the like.
DK18797C
(en )
1914-05-11
Apparatus for Steaming Groats.