CH42839A
(en )
1909-03-01
Water trap for the automatic regulation of the upper water level in canals
CH44944A
(en )
1909-10-01
Flap weir that regulates the upper water level automatically
CH47505A
(en )
1910-07-01
Flap weir that regulates the upper water level automatically
CH47618A
(en )
1910-07-16
Flap weir that regulates the upper water level automatically
CH46234A
(en )
1910-02-16
Automatic water level regulator
CH53903A
(en )
1912-04-01
Overflow flap weir that regulates the upper water level automatically
CH47633A
(en )
1910-07-16
Folding weir that regulates the upper water level automatically
FR400293A
(en )
1909-07-22
Protector for boiler water levels
FR12172E
(en )
1910-07-26
Protector for boiler water levels
FR398034A
(en )
1909-05-25
Boiler water level protector
AU1081708B
(en )
1908-06-09
Improvements in or relating to automatic water elevators
FR365027A
(en )
1906-09-01
Adjustable water level
CH30836A
(en )
1905-01-31
Water weir for automatic regulation of the water level
FR9083E
(en )
1908-08-22
Bowl for water drainage
FR388026A
(en )
1908-07-31
Bowl for water drainage
FR397023A
(en )
1909-04-27
Septic tank
FR389873A
(en )
1908-09-21
Water heater
CH42011A
(en )
1908-12-16
Water heater
DK11342C
(en )
1908-10-12
Device with free-standing water closets for automatic regulation of the water supply.
FR396047A
(en )
1909-03-30
Steam and hot water generator
CH44945A
(en )
1909-10-01
Installation at hydropower plants to artificially lower the underwater level
FR348504A
(en )
1905-04-15
Water level indicator-alarm for boilers
FI3310A
(en )
1908-04-09
Tools for water implants
FR388010A
(en )
1908-07-31
Water elevator
CH45625A
(en )
1910-02-16
Device for draining wet laundry