DK34152C
(en )
1925-02-16
Apparatus for scrubbing ship bottoms underwater.
FR704670A
(en )
1931-05-23
Hydrophone for ship hulls
FR585270A
(en )
1925-02-24
Propulsion apparatus for ships
DK30025C
(en )
1922-08-07
Apparatus for cleaning boats below the waterline.
DK34576C
(en )
1925-06-02
Apparatus for Releasing Lifeboats.
DK29832C
(en )
1922-07-03
Apparatus for Operating Ships.
DK32784C
(en )
1924-01-28
Apparatus for cooling whole milk.
DK32968C
(en )
1924-03-17
Apparatus for Raising Water.
DK33211C
(en )
1924-05-12
Apparatus for Sorting Eggs.
DK35616C
(en )
1926-02-15
Apparatus for Separation of Liquids of Different Density.
DK35516C
(en )
1926-01-18
Apparatus for Separation of Liquids of Different Density.
ES87217A3
(en )
1923-12-16
Submarine boat improvements.
DK36525C
(en )
1926-09-13
Apparatus for supplying gases to liquids.
DK30102C
(en )
1922-08-21
Apparatus for Raising Sunken Ships.
DK30143C
(en )
1922-08-28
Apparatus for Raising Sunken Ships.
DK35948C
(en )
1926-05-03
Apparatus for Making Butter.
DK33396C
(en )
1924-06-30
Apparatus for emulsifying liquid mixtures.
DK32951C
(en )
1924-03-10
Apparatus for Cracking Hydrocarbons.
DK37065C
(en )
1927-01-31
Apparatus for Supplying Gases to Liquids.
DK34315C
(en )
1925-03-30
Apparatus for Softening Water.
DK35896C
(en )
1926-04-19
Apparatus for Softening Water.
DK36914C
(en )
1926-12-13
Apparatus for the production of sausage skins.
DK29869C
(en )
1922-07-03
Apparatus for applying labels.
DK39445C
(en )
1928-11-05
Apparatus for measuring sea depths.
DK31105C
(en )
1923-01-15
Apparatus for continuous conversion of heavy hydrocarbons.