FR556574A
(en )
1923-07-23
Control mechanism
AT96086B
(en )
1924-02-25
Control for electric vehicles with pneumatically operated contactors.
AT108838B
(en )
1928-02-10
Contactor control for electric vehicles.
AT105750B
(en )
1927-02-25
Control for electric railways with compressed air motor operation of the step switchgear.
CH83421A
(en )
1919-12-01
Control for electric vehicles
AT89347B
(en )
1922-09-11
Power unit with jackshaft for electric vehicles.
AT87457B
(en )
1922-02-25
Control for motor vehicles.
AT87771B
(en )
1922-03-27
Controller for railways operated with high voltage direct current.
CH253391A
(en )
1948-02-29
Pantographs for electric vehicles.
AT98686B
(en )
1924-12-10
Pendulum drive for electric clocks.
AT96107B
(en )
1924-02-25
Drop flap relay for controlling heavy current.
AT98624B
(en )
1924-11-25
Auxiliary motor drive for electrical step switches.
CH156922A
(en )
1932-08-31
Single axle drive for electrically operated rail vehicles.
FR565844A
(en )
1924-02-05
Automatic current contactor
CH89323A
(en )
1921-05-16
Pull switches, in particular for electric light lines.
CH80161A
(en )
1919-06-16
Electric shifting locomotive for battery operation
AT107019B
(en )
1927-08-10
Electric control.
ES78760A1
(en )
1921-10-01
Electric current relay.
CA235021A
(en )
1923-10-16
Motor control for switching mechanism
DK29977C
(en )
1922-07-24
Control device for Motor Vehicles.
CH80160A
(en )
1919-06-02
Multiple control for electric railways with motorized main switch drums
FR559957A
(en )
1923-09-25
Multiple control for electric railways with main controller with electro-pneumatic operation step by step
CA210809A
(en )
1921-04-19
Electrically operating control
CA208672A
(en )
1921-02-22
Automobile headlight control
CA196711A
(en )
1920-01-27
Automobile control mechanism