FI (list display)

  • E03B3/00
  • Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F) [4] HB CC 2D020
  • E03B3/00@A
  • Adjusting or controlling water level HB CC 2D020
  • E03B3/00@B
  • Installation suing pumps HB CC 2D020
  • E03B3/00@Z
  • Others HB CC 2D020
  • E03B3/02
  • .from rain-water HB CC 2D020
  • E03B3/02@A
  • Water flow control or valve, float, inflow or outflow passages HB CC 2D020
  • E03B3/02@Z
  • Others HB CC 2D020
  • E03B3/03
  • ..Special vessels for collecting or storing rain-water for use in the household, e.g. water-butts HB CC 2D020
  • E03B3/03@A
  • Collecting water HB CC 2D020
  • E03B3/03@B
  • Storing water HB CC 2D020
  • E03B3/03@Z
  • Others HB CC 2D020
  • E03B3/04
  • .from surface water HB CC 2D020
  • E03B3/06
  • .from underground HB CC 2D020
  • E03B3/08
  • ..Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B 43/00) HB CC 2D020
  • E03B3/08@A
  • Digging or boiling wells (← methods, machines) HB CC 2D020
  • E03B3/08@Z
  • Others HB CC 2D020
  • E03B3/10
  • ...by means of pit wells HB CC 2D020
  • E03B3/11
  • ....in combination with tubes, e.g. perforated, extending horizontally, or upwardly inclined, exterior to the pits HB CC 2D020
  • E03B3/12
  • ...by means of vertical pipe wells HB CC 2D020
  • E03B3/14
  • ...by means of horizontal or oblique wells HB CC 2D020
  • E03B3/15
  • ...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 E03B 3/32) HB CC 2D020
  • E03B3/16
  • ...Component parts of wells HB CC 2D020
  • E03B3/18
  • ....Well filters (filters in general B01D 24/00-B01D 35/00) HB CC 2D020
  • E03B3/20
  • .....of elements of special shape HB CC 2D020
  • E03B3/22
  • ......Selection of specified materials HB CC 2D020
  • E03B3/24
  • .....formed of loose materials, e.g. gravel HB CC 2D020
  • E03B3/26
  • ......with packed filtering material HB CC 2D020
  • E03B3/28
  • .from humid air (condensing of vapours in general B01D 5/00; dehumidification of air for air-conditioning F24F 3/14) HB CC 2D020
  • E03B3/30
  • .from snow or ice [4] HB CC 2D020
  • E03B3/32
  • .with artificial enrichment, e.g. by adding water from a pond or a river HB CC 2D020
  • E03B3/34
  • ..of underground water HB CC 2D020
  • E03B3/36
  • ..of surface water HB CC 2D020
  • E03B3/38
  • .Curbs for springs HB CC 2D020
  • E03B3/40
  • .Other devices for confining, e.g. trenches, drainage HB CC 2D020
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