CH24932A
(en )
1903-03-15
Electromechanical control on electrically operated elevators
CH22117A
(en )
1901-12-15
Electrical control on electrically operated elevators
DK4875C
(en )
1902-06-30
Device by Control Furnaces.
DK5689C
(en )
1903-06-02
Device for electrical control devices.
CH23666A
(en )
1902-09-15
Control of electrically operated elevators
CH28674A
(en )
1904-05-31
Control device
CH21396A
(en )
1901-07-15
Button control on electrically operated elevators
CH29827A
(en )
1904-10-15
Sophisticated split-seconds mechanism
FR334527A
(en )
1903-12-23
Hand or electrically operated steering control
CH23491A
(en )
1902-08-15
Electrical control device on mechanically operated elevators
CH28294A
(en )
1904-04-30
Control apparatus
FR337952A
(en )
1904-05-04
Railroad switch control mechanism
CH30632A
(en )
1905-01-15
Push button control on electric elevators
CH28431A
(en )
1904-04-30
Inevitable valve control
FR334106A
(en )
1903-12-11
Control and reversing mechanism
CH28735A
(en )
1904-06-15
Control clock
FR334577A
(en )
1903-12-24
Counter-totalizer mechanism
CH27833A
(en )
1904-02-29
Chronograph-counter mechanism
FR365816A
(en )
1906-09-18
Electrically operated valve
DK4892C
(en )
1902-07-07
Device by self-acting electric elevators.
DK4394C
(en )
1901-11-25
Device by Time Control Devices.
FI1896A
(en )
1903-01-29
Mechanism till armled
FR345492A
(en )
1904-12-01
Auto-warning target
CH28952A
(en )
1904-06-30
Electrically operated elevator winch
DK4419C
(en )
1901-12-02
Control for Floor Switches for Electric Elevators.