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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
United States
7,556,738
Canada
2,545,948
Hong Kong
HK1100431
Mexico
267478
Taiwan
I415799
European Patent Convention
1726361
Validated in IT, NL
Patent Description
Sensor assembly for controlling water softener tanks
Product/Series
Aqua Sensor® Sensing Device
Tracking Code
079042
United States
8,758,628
Canada
2,640,826
European Patent Convention
2048117
Validated in ES, FR, GB, NL, IE, iT
Mexico
284969
Patent Description
Electronic Bypass
Product/Series
High Efficiency (HE) Softeners & Filters including
Softener Cleer Series
Iron Cleer
Sulfur Cleer
Tracking Code
079040
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, ES, FR, GB, IE, NL, DE, IT
Germany
60 2008 061 079.9
Italy
502019000094785
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
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
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, BE, CH
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
United States
8,231,791
Canada
2,728,014
China
ZL201110023999.8
Mexico
304933
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
United States
9,616,388
Patent Description
Control Valve for a Fluid Treatment Apparatus
Product/Series
CTM Series Softeners & Filters
Tracking Code
119707
European Patent Convention
3159585
Validated in BE, CH, DE, ES, FR, GB, IE, IT, NL
United States
10,616,670
11,022,222
11, 365, 814 B2
Canada
2,945,594
Mexico
387285
Hong Kong
HK1237330
HK40056774
China
ZL201610946772.3
202110750231.4
20210750213.6
Patent Description
Remote Control Faucet Filter System
Product/Series
Clear Link Series
Tracking Code
118582
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
United States
10,767,770
11,655,903
China
ZL 201810167229.2
European Patent Convention
3366651
Validated in AT, BE, CH, DE, ES, FR, IE, IT, NL, PT, GB
Hong Kong
HK1256867
Taiwan
I759431
I800280
Mexico
399509
Australia
2018201327
