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    Culligan Patent Information

    Culligan products are protected by patents in the United States and in other jurisdictions of the world. This webpage is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent marking provisions of the America Invents Act and to provide notice under 35 U.S.C. § 287(a) and notice under Section 62 (1) of UK Patents Act. The following list may not be all inclusive, and other technologies may be protected by one or more patents in the United States and elsewhere. The absence of any patent or product from this list does not preclude enforcement of our legal rights. Additional patents may be pending in the United States and elsewhere.

    Patent Description

    Method for determining the duration of a brine/slow rinse cycle

    Product/Series

    Aqua Sensor® Sensing Device

    Tracking Code

    070195

    Country

    Patent Number

    Country/Patent Number

    United States

    7,556,738

    Canada

    2,545,948

    Australia

    2006201727

    Hong Kong

    HK1100431

    Mexico

    267478

    New Zealand

    546762

    Taiwan

    I415799

    European Patent Convention

    1726361
    Validated in IT, NL, TR

    Patent Description

    Sensor assembly for controlling water softener tanks

    Product/Series

    Aqua Sensor® Sensing Device

    Tracking Code

    079042

    Country

    Patent Number

    Country/Patent Number

    United States

    8,758,628

    Canada

    2,640,826

    European Patent Convention

    2048117
    Validated in AT, ES, FR, GB, GR, IT, NL, PL, TR, IE

    Mexico

    284969

    Patent Description

    Efficiency Mode

    Product/Series

    Gold Series Softeners™
    Total Home Conditioner

    Tracking Code

    065666

    Country

    Patent Number

    Country/Patent Number

    United States

    6,790,362

    Canada

    2,392,160

    Patent Description

    Salometer & Flow Rate Sensor

    Product/Series

    Smart Brine Tank Probe

    Tracking Code

    078173

    Country

    Patent Number

    Country/Patent Number

    United States

    8,226,823

    Canada

    2,639,110

    China

    ZL200810210562.3
    中国实用新型专利’

    Patent Description

    Electronic Bypass

    Product/Series

    High Efficiency (HE) Softeners & Filters including
    Softener Cleer Series
    Iron Cleer
    Sulfur Cleer

    Tracking Code

    079040

    Country

    Patent Number

    Country/Patent Number

    United States

    8,356,628

    Canada

    2,639,981

    Mexico

    314739

    China

    ZL200810161696.0
    中国实用新型专利’

    European Patent Convention

    2045494
    Validated in BE, CH, DK, ES, FI, FR, GB, HU, IE, NL, PL, PT

    Austria

    E1175805

    Germany

    60 2008 061 079.9

    Greece

    3101738

    Italy

    502019000094785

    Patent Description

    Communication System for a Water Softener

    Product/Series

    Remote Display used with the following
    High Efficiency (HE) Softeners including
    Softener Cleer Series
    CTM Softeners
    CSM Softeners
    Hi-Flo 50 Softeners
    Hi-Flo 3e Softeners

    Tracking Code

    079041

    Country

    Patent Number

    Country/Patent Number

    United States

    8,180,489

    Canada

    2,640,100

    Mexico

    298538

    Patent Description

    Control Valve for a Fluid Treatment System

    Product/Series

    High Efficiency (HE) Softeners & Filters including
    Softener Cleer Series
    Iron Cleer
    Sulfur Cleer

    Tracking Code

    079307

    Country

    Patent Number

    Country/Patent Number

    United States

    8,302,631

    Patent Description

    Control Valve for a Fluid Treatment System

    Product/Series

    High Efficiency (HE) Softeners & Filters including
    Softener Cleer Series
    Iron Cleer
    Sulfur Cleer

    Tracking Code

    078999

    Country

    Patent Number

    Country/Patent Number

    Canada

    2,640,022

    China

    ZL200810161695.6
    中国实用新型专利’

    Mexico

    310246

    Patent Description

    Controlling Multiple Size Softener Tanks

    Product/Series

    High Efficiency (HE) Softeners
    CTM Softeners
    CSM Softeners
    Hi-Flo 50 Softeners
    Hi-Flo 3e Softeners

    Tracking Code

    85246

    Country

    Patent Number

    Country/Patent Number

    United States

    8,231,791

    Australia

    2011200150

    Canada

    2,728,014

    China

    ZL201110023999.8

    Israel

    210603

    Mexico

    304933

    New Zealand

    590484

    Federation of Russia

    2549864

    Thailand

    60137

    Turkey

    2015/06234

    Taiwan

    I 537216

    European Patent Convention

    2345477
    Validated in ES, FR, GB, IT, NL

    Patent Description

    Reverse Osmosis System with an automated modulated bypass

    Product/Series

    G1, G2, and M2 Series Reverse Osmosis

    Tracking Code

    109589

    Country

    Patent Number

    Country/Patent Number

    United States

    9,616,388

    Patent Description

    Control Valve for a Fluid Treatment Apparatus

    Product/Series

    CTM Series Softeners & Filters

    Tracking Code

    118582

    Country

    Patent Number

    Country/Patent Number

    European Patent Convention

    3159585
    Validated in AT, BE, CH, DE, ES, FR, GB, HU, IE, IT, PL, PT, TR, NL

    Patent Description

    Remote Control Faucet Filter System

    Product/Series

    Clear Link Series

    Tracking Code

    119707

    Country

    Patent Number

    Country/Patent Number

    Canada

    2,902,645