CH21065A
(en )
1901-05-31
Device for transforming alternating currents into direct currents and vice versa
CH18875A
(en )
1900-03-31
Apparatus for lifting liquids
CH18663A
(en )
1900-02-15
Advertising device
CH21150A
(en )
1901-05-31
Device for converting alternating current into direct current
FR348297A
(en )
1905-04-08
Apparatus for turning malt and other similar materials
CH18764A
(en )
1900-02-28
Apparatus for sterilizing liquids
FR332623A
(en )
1903-11-03
Apparatus for purifying and sterilizing liquids
CH24186A
(en )
1902-11-30
Apparatus for condensing vapors and for cooling liquids
FR331560A
(en )
1903-09-19
Shell apparatus for the transport of gases and liquids
ES25722A1
(en )
1900-04-16
A system of apparatus for transforming simple or multi-phase alternating currents into direct current and vice versa.
FR338973A
(en )
1904-10-18
Apparatus for heating liquids
CH21535A
(en )
1901-08-15
Improved apparatus for burning hydrocarbons in the gaseous state
CH22124A
(en )
1901-12-31
Transformer-rectifier device
CH15558A
(en )
1898-09-15
Apparatus for heating or cooling thick liquids
FR1400E
(en )
1903-07-22
Apparatus intended for lifting liquids in general
CH19168A
(en )
1900-05-15
Apparatus for the treatment of sewage and other similar liquids
CH21057A
(en )
1901-05-31
Apparatus for using the force of fluid currents
CH15559A
(en )
1898-09-15
Apparatus for heating or cooling liquids
CH15557A
(en )
1898-08-31
Apparatus for heating or cooling liquids
FR332538A
(en )
1903-10-30
Pressure device for filtering wines and spirits
CH19002A
(en )
1900-04-15
Apparatus for the electrical treatment of gases
CH14708A
(en )
1898-03-15
Instrument for cleaning combs and combs
CH17612A
(en )
1899-07-31
Installation for transforming and regulating electric currents
FR338248A
(en )
1904-05-11
Fumivorous device for furnaces of boilers and others
CH11645A
(en )
1896-07-31
Apparatus for the pyrogenation of heavy hydrocarbons