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PCE
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DIFF Subgroup
E03B 3/08

Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B43/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Obtaining and confining water by means of wells

CPC: Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B43/00)

Full Title

Full titles differ between systems:

IPC:

Methods or installations for obtaining or collecting drinking water or tap water > from underground > Obtaining and confining water by means of wells

CPC:

Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F) > from underground > Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B43/00)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E03B 3/12 by means of vertical pipe wells IPC+CPC Available in IPC and CPC
  • E03B 3/14 by means of horizontal or oblique wells IPC+CPC Available in IPC and CPC
  • E03B 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 E03B3/32 ) IPC+CPC Available in IPC and CPC