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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

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

European Patent Convention

2,030,682
Validated in FR, IT

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

United Arab Emirates

3998

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

European Patent Convention

2045491
Validated in DE, ES, FR, GB, IE, IT, NL

United Arab Emirates

2335

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

Mexico

304933

European Patent Convention

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

United Arab Emirates

1926

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

119707

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

United States

10,616,670
11,022,222

Canada

2,945,594

Mexico

387285

Hong Kong

HK1237330

Patent Description

Remote Control Faucet Filter System

Product/Series

Clear Link Series

Tracking Code

118582

Country

Patent Number

Country/Patent Number

Canada

2,902,645

United States

10,675,573 B2

European Patent Convention

1558125
Validated in FR

Patent Description

Control Valve for a Fluid Treatment Apparatus

Product/Series

Global Cabinet Softener Evolife

Tracking Code

124506

Country

Patent Number

Country/Patent Number

United States

10,767,770

China

ZL 201810167229.2

European Patent Convention

3366651
Validated in AT, BE, CH, DE, ES, FR, IE, IT, NL, PT, GB