NL795C
(en )
1915-09-03
Device for cutting and swelling of iron and other metals under water
NL647C
(en )
1915-05-01
Process for cold drawing very hard metals
NL551C
(en )
1915-03-15
Calculator to perform multiplications
NL1481C
(en )
1917-03-15
Device for preparing and injecting gases
NL1043C
(en )
1916-01-15
Method and device for freezing water-containing soils
NL1518C
(en )
1917-03-15
Device for storing and draining liquid fuels
NL976C
(en )
1916-01-03
Method and device for filling vessels under constant pressure
NL462C
(en )
1914-12-01
Method of making concrete tanks, reservoirs and pipelines impervious to oils
NL975C
(en )
1916-01-03
Device for determining the length of brake lines
NL296C
(en )
1914-08-01
Device for compacting chippings or litter
NL966C
(en )
1916-01-03
Device for determining the quantities of liquid flowing through in the unit of time
NL931C
(en )
1915-11-15
Method and device for finishing the edges of leatherwork
FR447322A
(en )
1912-12-30
Improvements to devices for locating the effects of explosions in mines
NL764C
(en )
1915-08-02
Procedure for obtaining nitrogen in addition to nitrogen oxides
FR448751A
(en )
1913-02-10
Cold accumulator
NL318C
(en )
1914-09-15
Device for automatically regulating the temperature in greenhouses and other closed spaces
NL488C
(en )
1915-01-15
Method of collecting and guiding tree sap
FR455071A
(en )
1913-07-22
Oil for belts and other applications
FR439220A
(en )
1912-06-08
Portable camp stove
NL1336C
(en )
1916-06-01
Method for the rapid tanning of hides
FR460254A
(en )
1913-11-27
Improvements to the hulls for hydroplanes and hydroaplanes
FR442650A
(en )
1912-09-05
Compressed wooden parts for airplanes
GB191216708A
(en )
1913-03-20
Improvements in and relating to Protective Devices for Electric Circuits.
GB191305662A
(en )
1913-10-09
Improvements in and relating to Protective Devices for Electric Circuits.
NL1337C
(en )
1916-06-15
Device for cutting up strands of butter