DK34018C
(en )
1925-01-05
Oil separator, in particular for Separation of Oil from the Groundwater in Ships.
SU1739A1
(en )
1924-09-15
The method of separation of coal from waste rock
DK40691C
(en )
1929-08-26
Pontoon device for ships to prevent them from sinking.
DK41367C
(en )
1929-12-30
Separator for Purifying Oily Mixed Water.
DK35022C
(en )
1925-09-21
Centrifugal separator.
DK35258C
(en )
1925-11-16
Centrifuge, in particular for Purifying Liquids.
DK36849C
(en )
1926-11-29
Procedure for Converting Heavy Hydrocarbons to Easier.
DK34899C
(en )
1925-08-24
Paper block by which each side of the individual glued sheets can be used for writing before tearing.
DK39284C
(en )
1928-09-24
Procedure for Purifying Impure Oil.
DK33715C
(en )
1924-09-29
Defoamer.
FR726813A
(en )
1932-06-03
Improvements to magnetic separators for minerals, etc.
DK34023C
(en )
1925-01-05
Device for Fastening the Separators in Electric Accumulators.
DK41069C
(en )
1929-11-11
Procedure for the extraction of essential oils, possibly odorants.
DK31060C
(en )
1923-01-02
Anode for Making Perconnections.
DK34017C
(en )
1925-01-05
Telephone, specially designed for use by the hard of hearing.
ES86122A1
(en )
1923-10-01
Improvements in separating techniques.
ES86927A1
(en )
1923-11-16
An apparatus for extracting oil from slate.
DK38914C
(en )
1928-06-25
Equipment for Oil Recovery in Shaft Bearings.
DK31360C
(en )
1923-02-26
Separator with Separation Liquid.
DK33457C
(en )
1924-07-21
Procedure for collecting cardboard boxes.
ES86085A1
(en )
1923-09-16
Improvements in centrifugal separators.
DK41566C
(en )
1930-02-03
Centrifuge, especially for Purifying or Separating Liquids.
DK32878C
(en )
1924-02-18
Procedure for the production of matte oil paints.
DK35603C
(en )
1926-02-08
Grips for Tovpostvogne.
DK33503C
(en )
1924-08-04
Apparatus for separating liquids of different densities, such as oil and water.