DK27707C
(en )
1921-05-30
Apparatus for Sealing Flue Pipes in Steam Boilers and Liners.
DK31296C
(en )
1923-02-12
Apparatus for Sealing Heating Pipes in Boiler Walls.
DK24241C
(en )
1919-03-17
Apparatus for Blowing Soot in Boiler Pipes.
DK30600C
(en )
1922-11-06
Apparatus for cleaning flue pipes or similar in steam boilers.
DK34187C
(en )
1925-02-23
Method and Apparatus for Purifying Food for Steam Boilers of Any Kind.
DK26451C
(en )
1920-08-16
Apparatus for Blowing Soot in Boiler Pipes.
DK31103C
(en )
1923-01-15
Method and Apparatus for automatic regulation of back pressure and chimney draft in steam locomotives.
DK33356C
(en )
1924-06-16
Method and Apparatus for Heating and Hardening of Footwater for Steam Boilers and Other Evaporators.
DK34993C
(en )
1925-09-14
Method and Apparatus for Electrical Pipe Welding of Pipes.
DK25907C
(en )
1920-05-03
Procedure and apparatus for cleaning flue pipes, superheater pipes or preheater pipes in locomotive boilers and similar boilers.
DK26996C
(en )
1920-12-06
Sealing device for flue pipes.
DK32666C
(en )
1923-12-24
Apparatus for Cleaning the Pipes in Water Pipe Boilers.
DK33937C
(en )
1924-12-08
Method and Apparatus for Preparing Boiler Water.
DK29289C
(en )
1922-02-06
Procedure and Apparatus for Regulating Combustion in Boiler Stoves.
DK27508C
(en )
1921-04-25
Procedure for Disposal of Cellulose Boilers and Similar Containers.
DK28467C
(en )
1921-09-19
Flue pipes for cylindrical ship boilers.
DK30471C
(en )
1922-10-16
Flue pipes for cylindrical ship boilers.
DK30711C
(en )
1922-11-20
Flue pipes for cylindrical ship boilers.
DK24081C
(en )
1919-02-10
Method and Apparatus for Cleaning Steam Boiler Pipes.
DK34883C
(en )
1925-08-17
Apparatus for Cleaning the Pipes in Water Pipe Boilers.
DK28455C
(en )
1921-09-19
Method and Apparatus for Distilling Water.
DK33718C
(en )
1924-09-29
Apparatus for heating water and other liquids.
DK38840C
(en )
1928-06-04
Apparatus for knocking off boiler stones on boiler pipes and pipe plates.
DK34693C
(en )
1925-07-06
Procedure and Apparatus for Bleeding Boiler Feed Water.
DK29402C
(en )
1922-04-10
Apparatus for Receiving Wave Energy and Determining Its Direction.