Trademark owner · USPTO register · rebuilt nightly

A. O. Smith Water Treatment (North America), Inc.

71 live US trademarks, filing since 1962. The 49th largest trademark holder in Class 11 (appliances & lighting). 1 new application filed this year.

Live marks
71
registered + pending
Registered
70
on the Principal Register
Pending
1
applications in progress
Filed in 2026
1
by filing date
Classes used
9
of 45 Nice classes
First filing
1962
64 years on the register
At a glanceplain-language reads of the register
Mostly appliances & lighting: 62 of 71 live marks are in Class 11. Advertising & business (Class 35) is next with 8.
8 registrations have a maintenance filing due in the next 12 months, 1 already in the grace period.
Filing activityapplications per year, by filing date
0 6 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 1 so far

Marks held on the register, by filing date. 2026 is year to date.

Portfolio by classlive marks · rank among filers in that class

A multi-class mark counts once per class. Rank shown where the owner is in the class's top 50.

Latest activity

What A. O. Smith Water Treatment (North America), Inc. filed most recently.

MarkClassFiledBasisStatusSerial
QUADPRO 11 Jun 3, 2026 in use published · closes Dec 10 99862945
HEALTHSHIELD 11 Jun 26, 2025 in use registered Oct 20 99255098
SIMPLYSOFT 11 Jun 14, 2024 — registered Sep 2 98602421
MW MASTER WATER 11 Mar 14, 2024 — registered Sep 9 98449457
HERO 11 Feb 28, 2024 — registered Dec 31 98425873
SMARTFLOW 11 Aug 23, 2022 — registered May 14 97560125
SIMPLYSOFT 11 Nov 12, 2020 — registered Jan 23 90315701
INTERFLO 11 Dec 3, 2019 — registered Jan 26 88712691
CLEAR REFLECTIONS 11 Nov 14, 2019 — registered Oct 4 88692973
IMPACT WATER PRODUCTS WE WILL NOT COMPETE IN THE RACE TO THE BOTTOM! 35 Sep 6, 2019 — registered Apr 14 88607006
Recently registeredlast 12 months
HEALTHSHIELD · Cl. 11 · Reg. 8,515,791
Oct 20, 2026

Registration starts the maintenance clock: a Section 8 declaration is due between years 5 and 6.

Maintenance windows aheadnext 12 months · from registration dates
W.E.T. WATER EFFICIENT TECHNOLOGY · Reg. 6,061,693 · registered May 2020
Section 8 declaration (years 5–6) · in grace period until Nov 26, 2026
May 26, 2025 → May 26, 2026
INTERFLO · Reg. 6,258,052 · registered Jan 2021
Section 8 declaration (years 5–6)
Jan 26, 2026 → Jan 26, 2027
RHINO · Reg. 3,264,271 · registered Jul 2007
Section 8 & 9 renewal (year 20)
Jul 17, 2026 → Jul 17, 2027
SANITIZER PLUS SERIES · Reg. 5,249,965 · registered Jul 2017
Section 8 & 9 renewal (year 10)
Jul 25, 2026 → Jul 25, 2027
PROVIDING SERVICE AFTER THE SALE SINCE 1967 · Reg. 5,266,166 · registered Aug 2017
Section 8 & 9 renewal (year 10)
Aug 15, 2026 → Aug 15, 2027
ESS · Reg. 2,094,529 · registered Sep 1997
Section 8 & 9 renewal (year 30)
Sep 9, 2026 → Sep 9, 2027
MAKING WATER GOOD FOR LIFE · Reg. 5,301,320 · registered Oct 2017
Section 8 & 9 renewal (year 10)
Oct 3, 2026 → Oct 3, 2027
EVOLVE · Reg. 5,301,634 · registered Oct 2017
Section 8 & 9 renewal (year 10)
Oct 3, 2026 → Oct 3, 2027

A filing missed by the due date enters a six-month grace period, then the registration cancels.

Other large filers in Class 11Full ranking →
Common questions

About A. O. Smith Water Treatment (North America), Inc. trademarks.

How many trademarks does A. O. Smith Water Treatment (North America), Inc. have?

71 live US trademarks as of October 23, 2026: 70 registered and 1 pending applications. 1 were filed in 2026 so far.

What does A. O. Smith Water Treatment (North America), Inc. sell, according to its trademarks?

Mostly appliances & lighting (Class 11, 62 live marks). Also advertising & business (Class 35) and science & technology (saas) (Class 42).

Who owns the WATERCARE trademark?

WATERCARE is owned by A. O. Smith Water Treatment (North America), Inc.. It was registered on September 27, 1966 (Reg. No. 0815844) and is live. The same owner holds 70 other live US marks.

When did A. O. Smith Water Treatment (North America), Inc. first file a trademark?

Its oldest live US filing dates from 1962: WATERCARE, filed December 6, 1962.

Know the morning after A. O. Smith Water Treatment (North America), Inc. files.

Watch this company in Thorgate and get an alert for every new application, registration, publication and lapse, with the opposition deadline already worked out. Or monitor your own marks for conflicts with theirs.

Data: USPTO trademark bulk files, processed nightly by Thorgate. Last rebuilt October 23, 2026. Counts cover the US federal register only, not state or foreign marks. Owner names are shown as recorded by the USPTO. This page reports public-record facts and dates and is not legal advice. For the official record of any mark, follow its serial number to USPTO TSDR.