K&N Engineering, Inc.
107 live US trademarks, filing since 1982. The 36th largest trademark holder in Class 7 (machinery).
On the register as K&N ENGINEERING, INC. · K & N Engineering, 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 K&N Engineering, Inc. filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| K&N | 7, 21 | Mar 8, 2022 | — | registered Jul 11 | 97301874 |
| K&N | 1, 3, 4 | May 11, 2021 | — | registered Dec 27 | 90703988 |
| K&N | 1, 3, 4 | May 11, 2021 | — | registered Dec 27 | 90704296 |
| K&N | 4 | Jul 22, 2020 | — | registered Apr 13 | 90067404 |
| K&N | 4 | Jul 22, 2020 | — | registered Apr 13 | 90067411 |
| K&N | 10 | Jul 13, 2020 | — | registered Feb 16 | 90050546 |
| PRO SERIES OIL FILTER | 7 | May 4, 2020 | — | registered Dec 22 | 88900295 |
| K&N SELECT | 7 | Apr 16, 2020 | — | registered Jun 1 | 88875329 |
| HACK THE HOOD OUTVENTURE AIRAID INC. | 7, 16, 25 | Jul 16, 2019 | — | registered Sep 22 | 88517762 |
| AIRAID | 3, 7, 16, 25 | Jun 6, 2019 | — | registered Dec 13 | 88462720 |
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 K&N Engineering, Inc. trademarks.
How many trademarks does K&N Engineering, Inc. have?
107 live US trademarks as of October 23, 2026: 107 registered and 0 pending applications. None have been filed in 2026 so far.
What does K&N Engineering, Inc. sell, according to its trademarks?
Mostly machinery (Class 7, 77 live marks). Also cosmetics & cleaning (Class 3) and clothing & footwear (Class 25).
Who owns the FILTERCHARGER trademark?
FILTERCHARGER is owned by K&N Engineering, Inc.. It was registered on June 12, 1984 (Reg. No. 1281461) and is live. The same owner holds 106 other live US marks.
When did K&N Engineering, Inc. first file a trademark?
Its oldest live US filing dates from 1982: FILTERCHARGER, filed December 6, 1982.
Know the morning after K&N Engineering, 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.