CH49855A
(en )
1911-04-01
Automatic pump system operated by an electric motor for domestic water supply
DK17773C
(en )
1913-09-08
Automatic cycle pump.
CH38067A
(en )
1907-08-31
Motor driven by water waves
DK21594C
(en )
1916-10-23
Water current motor.
AT27647B
(en )
1907-02-25
Reversal for power machines.
AT27660B
(en )
1907-02-25
Reversal for power machines.
DK11893C
(en )
1909-03-01
Automatic cycle pump.
AT80105B
(en )
1920-02-25
DC armature winding for motor generators.
CA152949A
(en )
1914-01-06
Motor for adding chemicals to water, etc.
CH75919A
(en )
1917-10-01
Automatic electrical switch operated by the pressure of water flowing in an electrical heating apparatus
AT45505B
(en )
1911-01-10
Control device for direct current dynamo machines.
CA104050A
(en )
1907-03-12
Water current motor
CH63682A
(en )
1914-02-16
Automatic switch-off device for electrically driven pumps
CH71875A
(en )
1916-03-01
Automatic switch-off device for electrically driven pumps
AT71601B
(en )
1916-04-25
Rotary sliding door driven by an electric motor.
CH64550A
(en )
1914-04-01
Automatic switching device for electrically operated pumps
ES53231A1
(en )
1912-08-01
Counterweight motor improvements.
DK8685C
(en )
1906-07-23
Automatic Start-up device for electric motors.
DK23991C
(en )
1919-01-20
Automatic Water Purifier.
ES44345A1
(en )
1908-12-16
An automatic motor.
DK20663C
(en )
1915-10-18
Drive system for Ferrari meters.
ES50538A1
(en )
1911-08-16
Matching Shaft Rope Motor for Talking Machines.
CH49870A
(en )
1911-04-01
Air pressure regulator for beer pressures with an air pump driven by an electric motor
ES54687A1
(en )
1913-03-01
A system of hydraulic motors with successive float impellers.
DK18175C
(en )
1913-12-01
Device by Dilution Pumps.