CH18917A
(en )
1900-04-30
Carburation apparatus for the production of air gas
CH20261A
(en )
1900-12-31
Apparatus for the production of compressed gas
CH16286A
(en )
1898-10-31
Equipment for the production of acetylene gas
CH18736A
(en )
1900-02-28
Device for the production of carbonic acid gas baths
CH18286A
(en )
1899-11-30
Apparatus for the manufacture of corrugated pipes
CH19310A
(en )
1900-06-30
Gas air mixture generator
CH19472A
(en )
1900-07-31
Device for the production of two-part pulleys
CH16092A
(en )
1898-09-30
Apparatus for producing acetylene gas
CH18843A
(en )
1900-03-15
Apparatus for the manufacture of calcium carbide
CH19885A
(en )
1900-10-15
Apparatus for the manufacture of calcium carbide
CH18702A
(en )
1900-02-15
Device for the simultaneous production of several identical documents
CH23641A
(en )
1902-08-31
Device for the production of water gas
CH21865A
(en )
1901-10-15
Apparatus for preparing air gas
CH13964A
(en )
1897-09-15
Forming apparatus for the production of hollow glass bodies
CH19371A
(en )
1900-06-30
Device for making waffles over gas fire
CH18769A
(en )
1900-03-15
Carburator for air gas apparatus
CH29436A
(en )
1904-08-15
Device for the production of pressurized mixtures of gases
CH19151A
(en )
1900-05-31
Air gas generating apparatus
CH21025A
(en )
1901-05-15
Apparatus for the production of petroleum gas by saturation of air
CH18585A
(en )
1900-01-31
Apparatus for the production of Portland cement
CH18513A
(en )
1900-01-15
Facility for the production of glass panels
CH19770A
(en )
1900-09-15
Apparatus for the production and storage of acetylene
CH52898A
(en )
1912-01-02
Process for the liberation of liquefied carbon dioxide from added air
ES24845A1
(en )
1899-11-01
Mechanical procedure for the automatic and adjustable mixing of air with acetylene gas.
CA66755A
(en )
1900-03-26
Apparatus for the manufacture of gas