Global Patent Index - EP 1160204 B8

EP 1160204 B8 2007-10-03 - Water treatment

Title (en)

Water treatment

Title (de)

Wasseraufbereitung

Title (fr)

Traitement de l'eau

Publication

EP 1160204 B8 (EN)

Application

EP 01304176 A

Priority

GB 0011167 A

Abstract (en)

[origin: GB2362114A] A water treatment apparatus comprises two treatment tanks 1, 2 one of which is always operating, valves controlling the flow of water and a flow-meter 16, wherein after a set volume of water has passed through one tank water is passed through the other tank. The apparatus is preferably for water softening using ion-exchange tanks which may be regenerated by brine when not softening hard water. The control valve 16 preferably comprises an actuator which moves in a cyclic movement in response to the flow of a set quantity of water and actuates two service valves 27, 28 which send pressured water signals to a drain shuttle 11. Shuttle 11 then diverts hard water from one tank to another and initiates regeneration of the first tank. A further flow controlled valve 18 may be used to control the regeneration of tanks 1 and 2.

IPC 8 full level (invention and additional information)

C02F 1/42 (2006.01); B01J 49/00 (2006.01)

CPC (invention and additional information)

C02F 1/42 (2013.01); B01J 49/85 (2017.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

GB 0011167 D0 20000628; GB 2362114 A 20011114; GB 2362114 B 20040121; AT 366711 T 20070815; DE 60129276 D1 20070823; DE 60129276 T2 20080320; EP 1160204 A2 20011205; EP 1160204 A3 20030226; EP 1160204 B1 20070711; EP 1160204 B8 20071003; ES 2288498 T3 20080116

INPADOC legal status


2010-08-31 [PG25 TR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2008-05-28 [26] OPPOSITION FILED

- Opponent name: JUDO WASSERAUFBEREITUNG GMBH

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2008-01-31 [REG CH PL] PATENT CEASED

2008-01-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2288498 T3

2007-11-16 [ET] FR: TRANSLATION FILED

2007-09-12 [RIN2] INVENTOR (CORRECTION)

- Inventor name: HOWSE, GEOFFREY

2007-09-12 [RIN2] INVENTOR (CORRECTION)

- Inventor name: BOWDEN, HARVEY

2007-09-05 [REG IE FG4D] EUROPEAN PATENTS GRANTED DESIGNATING IRELAND

2007-08-29 [RIN2] INVENTOR (CORRECTION)

- Inventor name: HOWSE, GEOFFRY

2007-08-29 [RIN2] INVENTOR (CORRECTION)

- Inventor name: BOWDEN, HARVEY

2007-08-23 [REF] CORRESPONDS TO:

- Document: DE 60129276 P 20070823

2007-07-31 [REG CH EP] ENTRY IN THE NATIONAL PHASE

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