CH18657A
(en )
1900-02-15
Automatic shut-off device for pipe manifolds ending in pits or sewers
CH19990A
(en )
1900-11-15
Automatic shut-off device for pipe manifolds ending in pits or sewers
FR431941A
(en )
1911-11-23
Automatic safety shut-off system for water pipes
CH18975A
(en )
1900-04-15
Coupling device for metal pipes
Burkland et al.
1899
The flow of water in pipe sewers
FR406630A
(en )
1910-02-04
Automatic shut-off valve for water pipes in the event of a break
FR455457A
(en )
1913-08-01
Automatic shut-off device and gate valve for liquid distribution pipes
FR317656A
(en )
1902-09-19
Improvements in globe valves for water or steam pipes
FR356601A
(en )
1905-12-05
Automatic shut-off for manhole entrances
FR406830A
(en )
1910-02-12
Shut-off device suitable for radiators in hot water heating systems
US653978A
(en )
1900-07-17
Means for disjointing pipes.
FR356012A
(en )
1905-11-18
Automatic shut-off valve for gas and liquid lines
CH68710A
(en )
1915-04-16
Method and device for flushing out leaks in hydraulic transmission devices with coupling pumps
FR417570A
(en )
1910-11-17
Sewer pipe shut-off valve
FR377939A
(en )
1907-09-19
Automatic shut-off valve for grease nipple drain lines
FR415166A
(en )
1910-09-20
Drain valve for water pipes or other liquids
FR326883A
(en )
1903-06-09
Automatic valve device for measuring drinking water or any other liquid
CH43519A
(en )
1909-05-17
Metal coupling device for steam heating pipe sections in railway vehicles
FR319901A
(en )
1902-11-26
Improvements in shut-off valves for liquids
FR341905A
(en )
1904-08-23
Automatic shut-off system for water level tube taps
FR342982A
(en )
1904-09-22
Shut-off valve for water and steam lines
HILL
1895
THE NEW WESTMINSTER WATERWORKS.
FR373467A
(en )
1907-05-16
Method and device for purging the heating pipes of boilers using a compressed fluid
DK2701C
(en )
1899-12-04
Automatic Coupling Device at Cableways.
Morse et al.
1927
SERVICE PIPES [with DISCUSSION]