CH59504A
(en )
1913-06-02
Device for improving the power factor of asynchronous machines
CH56998A
(en )
1912-12-02
Device for the electrical heating of liquids
CH57833A
(en )
1913-02-01
Device for regulating water turbines
CH60819A
(en )
1913-08-16
Device for the electrical heating of metallic objects
CH62005A
(en )
1913-11-01
Device for converting direct current into alternating current
CH56343A
(en )
1912-11-01
Device for balancing the pantograph of embroidery machines
CH59977A
(en )
1913-06-16
Device for regulating two-steam turbines
CH64065A
(en )
1914-03-02
Device for regulating the water pressure and the speed of water power machines
CH55101A
(en )
1912-09-02
Device for generating cold
CH66434A
(en )
1914-09-01
Device for preparing emulsions
CH58896A
(en )
1913-04-16
Device for straight guidance of the embroidery frame of embroidery machines
CH59873A
(en )
1913-06-02
Device for adjusting the embroidery frame of embroidery machines
CH58256A
(en )
1913-03-01
Flat-toothed rasp
CH60638A
(en )
1913-08-01
Device for the automatic control of dynamo machines
CH61015A
(en )
1913-09-01
Calculating machine for performing multiplications
CH57624A
(en )
1913-01-16
Device for the production of armature windings
CH61444A
(en )
1913-09-16
Device for making impressions
CH66264A
(en )
1914-08-17
Device for the electrical heating of flowing liquids or gases
CH60393A
(en )
1913-07-16
Device to facilitate hearing
CH63171A
(en )
1914-01-02
Device for mechanical reading of calculated values
CH50938A
(en )
1911-07-17
Device for attaching the handle of devices
CH61490A
(en )
1913-10-01
Device for making wire nails
CH58914A
(en )
1913-04-01
Device for drying pasta
CH62662A
(en )
1913-12-16
Device for regulating the turning field of multi-phase collector machines with variable collector frequency
CH73661A
(en )
1916-11-01
Device for the production of concrete steps