NL22C
(en )
1913-08-01
Method and apparatus for applying the filaments of electric incandescent lamps to the support piece
NL41C
(en )
1913-10-15
Improvement of a method and an apparatus for applying the filament of electric metal wire lamps to the wire carriers
CH58515A
(en )
1913-03-17
Method and device for laying the wire-shaped filament of electric incandescent lamps on the support frame
CH59993A
(en )
1913-06-16
Method and device for the full utilization of the heating gases
NL303C
(en )
1914-08-01
Method of an apparatus for the preparation and treatment of crystals
NL1712C
(en )
1916-11-15
Method and device to increase the useful light effect of hanging gas incandescent lamps
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
NL475C
(en )
1915-02-01
Process for treating suspended substances
NL1339C
(en )
1916-06-15
Method and apparatus for examining cord circuits
AT52292B
(en )
1912-02-26
Process for the revitalization of carbonaceous and similar decolorizing agents.
NL309C
(en )
1914-08-01
Method of preforming metal wires for electric incandescent lamps
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH58301A
(en )
1913-03-01
Electrical installation for the optional operation of apparatus
AU237911B
(en )
1912-08-13
New method of and apparatus for illuminating objects
NL98C
(en )
1914-01-15
Process for the complete removal of carbon oxide from hydrogen
FR482907A
(en )
1917-05-11
Method and apparatus for drying
AT88447B
(en )
1922-05-10
Process for the production of electrical insulating materials and the like.
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CA122516A
(en )
1909-12-14
Process of drying cement clamps for filaments of electric lamps
CH68893A
(en )
1915-05-01
Electric gas lamp and method of making the same
NL886C
(en )
1915-10-15
Method of drawing tungsten wire for electric incandescent lamps
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH55203A
(en )
1912-07-16
Process for the production of low-nicotine and light tobacco
FR432197A
(en )
1911-11-30
Method and device for the manufacture of electric incandescent lamps