AT32373B
(en )
1908-03-26
Method and device for the utilization of petroleum gases from wells.
AT37286B
(en )
1909-05-10
Device for the extraction of crude oil and natural gas from deep boreholes.
CH40302A
(en )
1908-07-01
Device for the production of gas from liquid hydrocarbons
AT41167B
(en )
1910-02-25
Process and device for the production of luminous or heating gas and aromatic hydrocarbons from petroleum or petroleum distillates.
AT41067B
(en )
1910-02-25
Device for extracting the gases flowing out of boreholes.
CH46099A
(en )
1910-02-01
Device for displaying gas losses from gas lines and dangerous gas accumulations
AT47440B
(en )
1911-04-10
Method and device for separating oil from steam water or the like by cooling.
CH50633A
(en )
1911-06-16
Device for extracting timetables
AT23448B
(en )
1906-03-10
Method and device for separating oil from steam water u. like
CH49589A
(en )
1911-03-01
Device to prevent ties from slipping
CH43442A
(en )
1909-05-17
Process and device for the production of gas from liquid fatty and hydrocarbons
AT46543B
(en )
1911-02-25
Crude oil filter.
CH53332A
(en )
1912-02-16
Device for displaying gas losses from gas lines and dangerous gas accumulations
AU1276708B
(en )
1909-09-28
An improved apparatus for extracting the liquids and gaseous matter from trees or other growths
CH44832A
(en )
1909-09-16
Device for the extraction of fat from waste water
ES43423A1
(en )
1908-07-16
Improvements in the method of extracting copper from natural minerals or from substances that contain them.
AT46693B
(en )
1911-02-25
Process and device for the preparation of formaldehyde from methane-containing gases.
DK14139C
(en )
1911-01-23
Procedure for the treatment of petroleum and shale oil and the resulting new products.
CH39371A
(en )
1908-03-02
Device for cleaning used lubricating oil
AT41036B
(en )
1910-02-25
Device for de-oiling steam and dewatering gases and vapors.
AT41118B
(en )
1910-02-25
Device for de-oiling steam and dewatering gases and vapors.
AT27635B
(en )
1907-02-25
Device to facilitate the starting of explosion engines.
AT46528B
(en )
1911-02-25
Method and device for manufacturing the base of goblets.
CH38723A
(en )
1907-11-30
Device for natural ice extraction
DK8420C
(en )
1906-04-23
Tar oil and Tar oil paint made therefrom.