AT24071B
(en )
1906-05-10
Water level indicator with automatic closure when the glass breaks.
CH24823A
(en )
1903-02-28
Water level indicator with valve that closes automatically if the glass breaks
CH40816A
(en )
1908-08-17
Water level indicator with locking device that works automatically if the glass breaks
DK7292C
(en )
1905-02-13
Device for self-acting Closure of Water Level Glass in the event of Glass Breakage.
CH34045A
(en )
1906-02-28
Self-closing water level indicator
CH35720A
(en )
1906-10-15
Valve bottom tap with automatic drainage
CH31721A
(en )
1905-05-15
Barrel tap with liquid level indicator
AT22863B
(en )
1906-01-25
Remote water level indicator.
ES33518A1
(en )
1904-04-01
An automatic device for raising water or other liquids.
DK8642C
(en )
1906-07-16
Device with automatically closing Water level indicators.
DK11115C
(en )
1908-08-03
Water level indicator with float and needlework.
FR345332A
(en )
1904-11-28
Automatic distance or range indicator
FR341876A
(en )
1904-08-22
Level indicator for lamps, stoves and other containers
CH47618A
(en )
1910-07-16
Flap weir that regulates the upper water level automatically
CH537E
(en )
1905-12-31
Remote liquid level indicator
CH602E
(en )
1906-11-30
Remote liquid level indicator
FR10114E
(en )
1909-05-01
Self-closing water level indicator
CH42862A
(en )
1909-03-01
Standing vessel with water level glass and drain tap
ES36545A1
(en )
1905-09-01
An automatic fire alarm.
ES36582A1
(en )
1905-12-01
The water tank that will be called the "perfect hygienic filter".
DK7736C
(en )
1905-08-07
Self-closing Valve for Water Level Indicators and the like.
AT23255B
(en )
1906-02-26
Automatic drainage device for rinsing vessels.
CH46234A
(en )
1910-02-16
Automatic water level regulator
CH32981A
(en )
1905-09-30
Centrifugal vessel with Schleider insert
AT31872B
(en )
1908-02-25
Balance sling with lower storage.