CH65083A
(en )
1914-05-16
Device for the automatic opening and closing of door leaves by means of a movable base plate
CH56987A
(en )
1912-12-02
Device for closing drains
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
AT88485B
(en )
1922-05-26
Device for moving sliding doors into the open and closed position by means of a movable base plate.
CH50797A
(en )
1911-07-01
Device for locking open door leaves
CH64277A
(en )
1914-03-16
Device for closing the tapping opening in melting furnaces
CH57969A
(en )
1913-02-17
Device for closing ovens
CH57922A
(en )
1913-02-01
Device for opening and closing skylight windows
CH60687A
(en )
1913-08-01
Device for closing ovens
CH69598A
(en )
1915-07-01
Device for opening and closing skylight windows
AT41085B
(en )
1910-02-25
Device for the automatic opening and closing of doors by means of a movable platform.
CH59838A
(en )
1913-06-02
Device for opening and closing skylight windows
CH48570A
(en )
1910-11-01
Device for opening and closing shutters from inside the room
CH61639A
(en )
1913-10-01
Device for opening and closing roof fans
CH53188A
(en )
1912-02-01
Device on two-part sliding doors for opening and closing the same
CH57414A
(en )
1913-01-02
Device for closing boxes
CH59593A
(en )
1913-05-16
Device for opening and closing feed flaps
CH53141A
(en )
1912-02-01
Automatic switch for closing and opening electrical circuits one after the other
CH56306A
(en )
1912-10-16
Device for fixing doors, especially those of stables in the open position
CH60460A
(en )
1913-07-16
Device on a door for opening and closing the same
CH65654A
(en )
1914-07-01
Device on a door for opening and closing the same
CH70579A
(en )
1915-10-01
Device for keeping doors and windows open