NL1210C
(en )
1916-06-01
Improvement of devices for driving struts, piles, etc. into or out of the ground
NL1201C
(en )
1916-04-01
Method for evaporating liquids
NL875C
(en )
1915-11-01
Improvement of a method of removing water from peat and the like
NL7C
(en )
1913-06-20
Method for collecting rainwater in the ground and for regulating the groundwater level
NL3834C
(en )
1919-10-01
Improvement to a device for cleaning cables.
NL1377C
(en )
1917-02-15
Method for drying liquid substances, whereby the dry substances are obtained in the form of an imperceptibly fine powder
NL383C
(en )
1914-10-15
Device on buoys and the like for damping rolling movements
NL1736C
(en )
1916-12-01
Method for manufacturing concrete and similar piles in the ground
NL1593C
(en )
1917-01-02
Rotating shovel for transporting ores, coal and the like
DK16794C
(en )
1912-12-16
Roll-up network with supporting bodies placed therein for the plaster placed on the net.
FR20840E
(en )
1919-07-22
Construction system using rigid elements of the same type
ES60269A1
(en )
1915-06-16
Method and means of sterilizing the soil.
DK16243C
(en )
1912-07-29
Apparatus for spreading gravel in front of wagons and the like.
DK14545C
(en )
1911-05-15
Device for holding floor cloths and the like.
NL1043C
(en )
1916-01-15
Method and device for freezing water-containing soils
NL754C
(en )
1915-08-02
Method for dyeing pelts, hair, feathers and the like
FR396059A
(en )
1909-04-01
Method and plow for plowing the soil in two separate layers
NL990C
(en )
1913-01-03
Method for the reduction or hydrogenation of organic substances, in particular unsaturated fatty acids and their compounds
NL323C
(en )
1914-09-15
Method for tanning fish skins and the like
NL951C
(en )
1915-12-01
Device for forging wagon wheels and the like
NL645C
(en )
1915-05-01
Improvement of soil looseners for rivers, ports and the like
DK21437C
(en )
1916-08-28
Device for margarine buckets and the like.
DK16033C
(en )
1912-06-03
Machine for mechanical tillage of the soil.
DK16098C
(en )
1912-06-24
Sewage treatment plants and the like.
NL1246C
(en )
1916-04-15
Improvement in suspension devices for supporting automobiles and the like