[12] Patent
[11] Patent No.:GC0011533  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2020                77/2020  
Number of the Decision to Grant the Patent:2020/176291
Date of the Decision to Grant the Patent:09/Dec/2020

[21] Application No.:GC 2016-32229

[22] Filing Date:23/10/2016

[72] Inventors:1- Eugene BOGLIO،2- Doug ANDERSON،3- Adam SLOMA،4- Lonnie WEBB،5- Harkirat SAHNI،6- Bill LATHOURIS

[73] Owner: CULLIGAN INTERNATIONAL COMPANY , 9399 West Higgins Road, Suite 1100 , Rosemont,, USA

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C




C02F1/00; F16K1/36, 27/02, 27/04, 3/22; 3/24, 3/34, 31/122, 31/124, 47/04

[56] Cited Documents:

-US-20150292491-A1 Haeusser; Bernd October 2015
-US-20160076683-A1 Bishoff; Mark March 2016
-US-3593959-A Greene; Bobby Howard July 1971
-US-5406973-A Lange; Peter April 1995
-US-6622933-B1 Young; George A. September 2003
-US-8414433-B2 Kadokawa; Masanori April 2013
Examiner: Eng. Fahad M. AlBaker

[57] Abstract: CONTROL VALVE FOR FLUID TREATMENT APPARATUS ABSTRACT A control valve is provided for a fluid treatment apparatus, including a housing with at least one cylinder defining a fluid flow path in the apparatus, each cylinder having an associated reciprocating piston valve. The valve includes a first piston valve half; a second piston valve half complementary to the first piston valve half; and a resilient seal constructed and arranged for being sandwiched between the first and second piston valve halves. The first piston valve half is constructed and arranged for engaging the cylinder before the second piston valve half, and having an exterior peripheral edge defined by a plurality of peripherally spaced teeth creating flow spaces between the teeth.
No. of claims: 7     No. of figures: 24


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