AT75523B
(en )
1919-02-25
Device for opening and closing bulkhead doors on ships by means of liquid pressure.
CH82429A
(en )
1919-10-01
Device for opening canning jars closed by air pressure and the like
CH58608A
(en )
1913-03-17
Device for opening and closing doors
SU2217A1
(en )
1924-09-15
Device for closing the lids of vessels
CH57922A
(en )
1913-02-01
Device for opening and closing skylight windows
CH77969A
(en )
1918-06-17
Device for the automatic opening and closing of a valve
CH53770A
(en )
1912-08-16
Closure device for vessels
CH59838A
(en )
1913-06-02
Device for opening and closing skylight windows
CH61639A
(en )
1913-10-01
Device for opening and closing roof fans
FR14570E
(en )
1912-01-11
Closing device for various containers
FR401399A
(en )
1909-08-27
Closing device for various containers
CH69598A
(en )
1915-07-01
Device for opening and closing skylight windows
CH76497A
(en )
1918-03-16
Control device for the use of rooms closed by doors
CH60298A
(en )
1913-07-01
Device for opening and closing of step covers and seats
CH70300A
(en )
1915-09-01
Device for displaying times, especially the opening or closing time of business premises
CH81853A
(en )
1919-12-01
Safety and alarm device for doors
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
FR432923A
(en )
1911-12-20
Safety device for doors
FR411462A
(en )
1910-06-17
Method and device for the watertight closing of the slots of the ports of the casemates
FR428367A
(en )
1911-08-29
Lock with safety device for car doors
CH67070A
(en )
1914-11-02
Device for opening and closing window sashes
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
FR392135A
(en )
1908-11-18
Closing device for doors
AT57879B
(en )
1913-02-25
Device for opening and closing the lower lids of standing retorts or chambers.
FR435586A
(en )
1912-03-05
Control device for swing wings