Rational Aktiengesellschaft
25 live US trademarks, filing since 1984.
Marks held on the register, by filing date. 2026 is year to date.
A multi-class mark counts once per class. Rank shown where the owner is in the class's top 50.
What Rational Aktiengesellschaft filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| IHEXAGON | 11 | Feb 28, 2024 | — | published | 98425327 |
| ICLIMATEBOOST | 11 | Feb 6, 2024 | — | abandoned Sep 14 | 98394261 |
| RATIONAL | 37 | Oct 20, 2021 | — | registered Sep 5 | 97084690 |
| IPRODUCTIONMANAGER | 11 | Mar 18, 2020 | — | registered Oct 13 | 88838831 |
| ICARESYSTEM | 11 | Mar 18, 2020 | — | registered Oct 13 | 88838855 |
| IDENSITYCONTROL | 11 | Mar 18, 2020 | — | registered Oct 13 | 88838865 |
| IZONECONTROL | 11 | Mar 18, 2020 | — | registered Oct 13 | 88838875 |
| IVARIOBOOST | 11 | Jan 8, 2020 | — | registered Jul 28 | 88750826 |
| IVARIO | 11 | Jul 9, 2018 | — | registered Jul 9 | 79240878 |
| ICOMBI | 11 | Mar 8, 2018 | — | registered Dec 25 | 79232064 |
A filing missed by the due date enters a six-month grace period, then the registration cancels.
Spellings are merged when they differ only in punctuation or legal suffix. Anything else stays separate rather than guessed.
About Rational Aktiengesellschaft trademarks.
How many trademarks does Rational Aktiengesellschaft have?
25 live US trademarks as of October 23, 2026: 24 registered and 1 pending applications. None have been filed in 2026 so far.
What does Rational Aktiengesellschaft sell, according to its trademarks?
Mostly appliances & lighting (Class 11, 24 live marks). Also housewares & glass (Class 21) and cosmetics & cleaning (Class 3).
Who owns the RATIONAL trademark?
RATIONAL is owned by Rational Aktiengesellschaft. It was registered on September 8, 1987 (Reg. No. 1456390) and is live. The same owner holds 24 other live US marks.
When did Rational Aktiengesellschaft first file a trademark?
Its oldest live US filing dates from 1984: RATIONAL, filed December 24, 1984.
Know the morning after Rational Aktiengesellschaft 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.