NL340C
(en )
1914-10-01
Improvement to a device for burning finely divided fuel
NL1471C
(en )
1916-08-01
Improvement to a combustion engine
NL1563C
(en )
1916-11-01
Improvement to a device for re-grinding
NL182C
(en )
1914-04-15
Improvement to a device for transferring heat from liquids
NL176C
(en )
1914-04-15
Improvement to a fuel input nozzle for combustion engines
NL3834C
(en )
1919-10-01
Improvement to a device for cleaning cables.
NL1051C
(en )
1916-01-15
Improvement to an injection nozzle for combustion engines
NL983C
(en )
1916-01-03
Improvement to a device for temporarily shutting off gas pipes
NL1725C
(en )
1916-11-15
Improvement of a method for burning garbage
NL670C
(en )
1915-05-15
Improvement to a device for finishing curved stereotyping plates
NL527C
(en )
1915-02-01
Improvement to a snap-off mechanism for the magnetic armature of internal combustion engines
NL1303C
(en )
1916-06-15
Improvement to a device for cutting drill pipes
NL614C
(en )
1915-04-15
Improvement to a button sewing tool
NL609C
(en )
1915-06-15
Process for preparing a fuel for explosion engines
NL929C
(en )
1915-11-15
Device for simultaneously cutting off a cigar and lighting a wick
FR450648A
(en )
1913-03-29
Lighter
NL1568C
(en )
1916-10-02
Improvement to a catch device for self-acting firearms
FR440294A
(en )
1912-07-06
New fuel
NL827C
(en )
1915-10-01
Improvement to incinerators
NL772C
(en )
1915-08-02
Improvement of a device for lowering lifeboats
NL1635C
(en )
1916-10-16
Improvement on a device for sharpening the teeth of files
NL1429C
(en )
1916-07-15
Improvement to a device for controlling the steam inlet in gas generators
NL1047C
(en )
1916-01-15
Improvement to a machine for manufacturing helically corrugated pipes
NL1097C
(en )
1916-02-01
Improvement to a device for measuring certain quantities of liquid
NL1227C
(en )
1916-04-15
Improvement to a pneumatic device for operating signals, etc