| IPC 6 English version | E03-E03B01116 |
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SECTION E | – FIXED CONSTRUCTIONS |
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WATER SUPPLY; SEWERAGE |
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INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER (drilling wells, obtaining fluids in general from wells E 21 B; pipe-line systems in general F 17 D) |
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1/ | 00 | Methods or layout of installations for water supply (E 03 B 3/00, E 03 B 9/00 take precedence) |
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1/ | 02 | . | for public or like main supply |
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1/ | 04 | . | for domestic or like local supply |
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3/ | 00 | Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C 02 F) |
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3/ | 02 | . | from rain-water |
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3/ | 03 | . . | Special vessels for collecting or storing rain-water for use in the household, e.g. water-butts |
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3/ | 04 | . | from surface water |
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3/ | 06 | . | from underground |
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3/ | 08 | . . | Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E 21 B 43/00) |
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3/ | 10 | . . . | by means of pit wells |
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3/ | 11 | . . . . | in combination with tubes, e.g. perforated, extending horizontally, or upwardly inclined, exterior to the pits |
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3/ | 12 | . . . | by means of vertical pipe wells |
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3/ | 14 | . . . | by means of horizontal or oblique wells |
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3/ | 15 | . . . | Keeping wells in good condition, e.g. by cleaning, repairing, regenerating; Maintaining or enlarging the capacity of wells or water-bearing layers (with artificial enrichment E 03 B 3/32) |
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3/ | 16 | . . . | Component parts of wells |
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3/ | 18 | . . . . | Well filters (filters in general B 01 D 24/00 to B 01 D 35/00) |
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3/ | 20 | . . . . . | of elements of special shape |
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3/ | 22 | . . . . . . | Selection of specified materials |
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3/ | 24 | . . . . . | formed of loose materials, e.g. gravel |
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3/ | 26 | . . . . . . | with packed filtering material |
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3/ | 28 | . | from humid air (condensing of vapours in general B 01 D 5/00; dehumidification of air for air-conditioning F 24 F 3/14) |
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3/ | 30 | . | from snow or ice [4] |
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3/ | 32 | . | with artificial enrichment, e.g. by adding water from a pond or a river |
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3/ | 34 | . . | of underground water |
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3/ | 36 | . . | of surface water |
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3/ | 38 | . | Curbs for springs |
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3/ | 40 | . | Other devices for confining, e.g. trenches, drainage |
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5/ | 00 | Use of pumping plants or installations; Layouts thereof (pumps, pumping plants or installations per se, F 04) |
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5/ | 02 | . | arranged in buildings |
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5/ | 04 | . | arranged in wells |
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5/ | 06 | . . | Special equipment |
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7/ | 00 | Water main or service pipe systems (pipes or tubes in general F 16 L) |
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7/ | 02 | . | Public or like main pipe systems |
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7/ | 04 | . | Domestic or like local pipe systems (domestic plumbing E 03 C 1/02) |
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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) |
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7/ | 08 | . . | Arrangement of draining devices (draining devices in general F 16 K, F 16 L) |
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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) |
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7/ | 10 | . . | Devices preventing bursting of pipes by freezing (devices preventing bursting of pipes in general F 16 L 55/00) |
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7/ | 12 | . . . | by preventing freezing |
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7/ | 14 | . . | Devices for thawing frozen pipes |
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9/ | 00 | Methods or installations for drawing-off water (domestic water-drawing devices E 03 C; taps or valves F 16 K) |
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9/ | 02 | . | Hydrants; Keys for hydrants |
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9/ | 04 | . . | Column hydrants |
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9/ | 06 | . . . | Covers |
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9/ | 08 | . . | Underground hydrants |
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9/ | 10 | . . . | Protective plates or covers |
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9/ | 12 | . . . | Stand-pipes |
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9/ | 14 | . . | Draining devices for hydrants |
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9/ | 16 | . . | Devices for retaining foreign matter, e.g. sand |
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9/ | 18 | . . | Cleaning tools for hydrants |
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9/ | 20 | . . | Pillar fountains or like apparatus for dispensing drinking water |
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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) |
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11/ | 02 | . | for domestic or like local water supply |
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11/ | 04 | . . | without air regulator |
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11/ | 06 | . . | with air regulator |
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11/ | 08 | . . . | Air regulators |
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11/ | 10 | . | for public or like main water supply |
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11/ | 12 | . . | of high-level tanks |
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11/ | 14 | . . | of underground tanks |
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11/ | 16 | . . | Adaptations of devices for putting pumping plants in and out of operation, e.g. automatic control devices |
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