CH83500A
(en )
1919-12-01
Device for cleaning and de-awning of grain
CH81413A
(en )
1919-06-02
Method and device for preventing liquid lines from freezing
CH81594A
(en )
1919-06-16
Pan-like device for making Knöpfli
CH87806A
(en )
1921-01-03
Device for securing nuts and screw heads.
FR501958A
(en )
1920-04-30
Material collector-loader
FR516827A
(en )
1921-04-26
Filtration apparatus
CH83502A
(en )
1919-12-01
Method and device for dehydration from liquid dry material
AT91315B
(en )
1923-02-26
Device for cooling and venting the propellant of liquid drives.
CH81220A
(en )
1919-10-16
Suction apparatus for the detection and treatment of diseases and for laboratory work
CH83517A
(en )
1919-12-16
Method and device for the production of photographs of terrain from aircraft
FR507491A
(en )
1920-09-16
Terrestrial and aquatic locomotion apparatus
CH83210A
(en )
1919-11-17
Device for recording and recording joint movements
FR521474A
(en )
1921-07-15
Porridge or powder for the treatment of vines and other plants
CH82596A
(en )
1919-10-01
Process and apparatus for the continuous separation of liquid mixtures or emulsions
CH79615A
(en )
1919-04-01
Method and device for cleaning knife blades
FR498515A
(en )
1920-01-14
Filtration apparatus
AT91375B
(en )
1923-02-26
Process and device for the continuous cracking of heavy hydrocarbons.
CH82770A
(en )
1919-10-16
Device for crushing pieces of ice
FR559579A
(en )
1923-09-18
Grain transshipment method and device
FR513421A
(en )
1921-02-15
Simultaneous screening and depositing apparatus
CH78963A
(en )
1918-09-16
Process and device for the reduction of ores
FR503437A
(en )
1920-06-10
Elastic bandage improved and method and means of making it
FR522788A
(en )
1921-08-06
Insecticide and anticryptogamic product
ES83978A1
(en )
1923-05-01
Methods and apparatus for separating the contents of eggshells.
AT98966B
(en )
1925-01-10
Method and device for granulating cyanamide.