Trademark owner · USPTO register · rebuilt nightly

Fluid Handling LLC

56 live US trademarks, filing since 1944.

Live marks
56
registered + pending
Registered
56
on the Principal Register
Pending
0
applications in progress
Filed in 2026
0
by filing date
Classes used
6
of 45 Nice classes
First filing
1944
82 years on the register
At a glanceplain-language reads of the register
Spread across 6 classes. The largest is Class 9 (electronics & software) with 22 of 56 live marks.
7 registrations have a maintenance filing due in the next 12 months.
Filing activityapplications per year, by filing date
0 1 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

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 Fluid Handling LLC filed most recently.

MarkClassFiledBasisStatusSerial
BOILERWIZE 9 Nov 10, 2022 — registered Aug 27 97671782
OPTIMYZE 9 Sep 28, 2020 — registered Feb 15 90218002
DIAMONDBACK 11 Apr 2, 2019 — registered Sep 17 88367576
ESP SYSTEMWIZE 42 Apr 11, 2017 — registered May 22 87406379
AC FIRE PUMP 6, 7, 9 Mar 18, 2015 — registered Jun 7 86568272
STANDARD XCHANGE 11 Feb 14, 2012 — registered May 27 85542454
STANDARDXCHANGE 11 Feb 14, 2012 — registered Jun 24 85542499
AQUAFORCE 7 Mar 3, 2008 — registered Apr 14 77410896
CIRCUIT SENTRY 9 Nov 14, 2006 — registered Oct 7 77043242
CIRCUIT SETTER 9 Apr 10, 2006 — registered Feb 13 78857457
Maintenance windows aheadnext 12 months · from registration dates
VSX · Reg. 3,188,099 · registered Dec 2006
Section 8 & 9 renewal (year 20)
Dec 19, 2025 → Dec 19, 2026
LITTLE RED SCHOOLHOUSE · Reg. 2,036,321 · registered Feb 1997
Section 8 & 9 renewal (year 30)
Feb 11, 2026 → Feb 11, 2027
CIRCUIT SETTER · Reg. 3,208,522 · registered Feb 2007
Section 8 & 9 renewal (year 20)
Feb 13, 2026 → Feb 13, 2027
TEST-N-CHECK · Reg. 1,429,904 · registered Feb 1987
Section 8 & 9 renewal (year 40)
Feb 24, 2026 → Feb 24, 2027
CP · Reg. 3,278,032 · registered Aug 2007
Section 8 & 9 renewal (year 20)
Aug 7, 2026 → Aug 7, 2027
CENTRIPRO · Reg. 3,278,038 · registered Aug 2007
Section 8 & 9 renewal (year 20)
Aug 7, 2026 → Aug 7, 2027
TECHNOLOGIC · Reg. 1,456,318 · registered Sep 1987
Section 8 & 9 renewal (year 40)
Sep 8, 2026 → Sep 8, 2027

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

Names on the registerwhat this page merges, and what it leaves out
FLUID HANDLING LLC · 56 live marks
included
Fluid Management, Inc. · 26 live marks · may be a related company
separate page
Fluid Metering, Inc. · 16 live marks · may be a related company
separate page

Spellings are merged when they differ only in punctuation or legal suffix. Anything else stays separate rather than guessed.

Common questions

About Fluid Handling LLC trademarks.

How many trademarks does Fluid Handling LLC have?

56 live US trademarks as of October 23, 2026: 56 registered and 0 pending applications. None have been filed in 2026 so far.

What does Fluid Handling LLC sell, according to its trademarks?

Mostly electronics & software (Class 9, 22 live marks). Also appliances & lighting (Class 11) and machinery (Class 7).

Who owns the AIRTROL trademark?

AIRTROL is owned by Fluid Handling LLC. It was registered on August 6, 1946 (Reg. No. 0422624) and is live. The same owner holds 55 other live US marks.

When did Fluid Handling LLC first file a trademark?

Its oldest live US filing dates from 1944: AIRTROL, filed July 22, 1944.

Know the morning after Fluid Handling LLC 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.