Amsoil Inc.
64 live US trademarks, filing since 1980. The 34th largest trademark holder in Class 4 (fuels & lubricants). 3 new applications filed this year.
On the register as AMSOIL INC. · Amsoil, Inc.
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 Amsoil Inc. filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| AMS IQ | 7, 9 | Sep 29, 2026 | — | pending | 50135309 |
| FREEDOM SERIES | 1 | Apr 17, 2026 | intent to use | pending | 99770842 |
| PROTECTION YOU DEMAND. PERFORMANCE YOU DESERVE. | 1, 4, 14, 21, 25 | Mar 24, 2026 | — | published · closes Dec 3 | 99720766 |
| EVO KOOL | 4 | Dec 15, 2025 | — | pending | 99548067 |
| FREEDOM SERIES | 4, 25 | Dec 15, 2025 | — | published | 99548117 |
| ENVIRO KOOL | 4 | Sep 23, 2025 | — | published | 99407698 |
| FLUIDWORX | 25, 42 | Sep 23, 2025 | — | published | 99407712 |
| OILWORX | 25, 37, 42 | Sep 23, 2025 | — | published | 99407823 |
| SURFACEWORX | 25, 42 | Sep 23, 2025 | — | published | 99407839 |
| GREASEWORX | 4, 21, 25, 37, 42 | May 8, 2025 | — | published | 99175885 |
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 Amsoil Inc. trademarks.
How many trademarks does Amsoil Inc. have?
64 live US trademarks as of October 23, 2026: 46 registered and 18 pending applications. 3 were filed in 2026 so far.
What does Amsoil Inc. sell, according to its trademarks?
Mostly fuels & lubricants (Class 4, 40 live marks). Also chemicals (Class 1) and clothing & footwear (Class 25).
Who owns the POWER FOAM trademark?
POWER FOAM is owned by Amsoil Inc.. It was registered on March 27, 1984 (Reg. No. 1271432) and is live. The same owner holds 63 other live US marks.
When did Amsoil Inc. first file a trademark?
Its oldest live US filing dates from 1980: POWER FOAM, filed September 16, 1980.
Know the morning after Amsoil 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.