Use of pumping plants or installations; Layouts thereof (pumps, pumping plants or installations per se, F 04)
5
/
02
•
arranged in buildings
5
/
04
•
arranged in wells
5
/
06
•
•
Special equipment
7
/
00
Water main or service pipe systems (pipes or tubes in general F 16 L
)
7
/
02
•
Public or like main pipe systems
7
/
04
•
Domestic or like local pipe systems (domestic plumbing E 03 C 1/02)
7
/
07
•
Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems (devices per se, see the relevant classes for these devices)
7
/
08
•
•
Arrangement of draining devices (draining devices in general F 16 K, F 16 L)
7
/
09
•
Component parts or accessories (tools for cleaning pipes
B 08 B 9/02; devices for preventing contamination of drinking water pipes for domestic use E 03 C 1/10; devices for preventing damage in case of bursts of pipes F 16 L; heating of pipes in general F 16 L 53/00)
7
/
10
•
•
Devices preventing bursting of pipes by freezing (devices preventing bursting of pipes in general F 16 L 55/00)
7
/
12
•
•
•
by preventing freezing
7
/
14
•
•
Devices for thawing frozen pipes
9
/
00
Methods or installations for drawing-off water (domestic water-drawing devices E 03 C; taps or valves F 16 K) [4]
9
/
02
•
Hydrants; Keys for hydrants
9
/
04
•
•
Column hydrants
9
/
06
•
•
•
Covers
9
/
08
•
•
Underground hydrants
9
/
10
•
•
•
Protective plates or covers
9
/
12
•
•
•
Stand-pipes
9
/
14
•
•
Draining devices for hydrants
9
/
16
•
•
Devices for retaining foreign matter, e.g. sand
9
/
18
•
•
Cleaning tools for hydrants
9
/
20
•
•
Pillar fountains or like apparatus for dispensing drinking water
11
/
00
Arrangements or adaptations of tanks for water supply (water-butts E 03 B 3/03; storage aspects B 65 D, B 65 G, F 17 B, F 17 C; foundations
E 02 D 27/38; construction or assembling of bulk storage containers employing civil engineering techniques E 04 H 7/00; tower aspects E 04 H 12/00)
11
/
02
•
for domestic or like local water supply
11
/
04
•
•
without air regulator
11
/
06
•
•
with air regulator
11
/
08
•
•
•
Air regulators
11
/
10
•
for public or like main water supply
11
/
12
•
•
of high-level tanks
11
/
14
•
•
of underground tanks
11
/
16
•
•
Adaptations of devices for putting pumping plants in and out of operation, e.g. automatic control devices