Fluke Corporation
135 live US trademarks, filing since 1961. 5 new applications filed this year.
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 Fluke Corporation filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| DUALPATH | 9 | Sep 9, 2026 | — | pending | 50099485 |
| DUOSENSE | 9 | Sep 9, 2026 | — | pending | 50099488 |
| TC01A | 9 | May 15, 2026 | — | pending | 99827351 |
| FLUKE | 37, 42 | Feb 2, 2026 | — | published | 99628205 |
| FLUKE | 37, 42 | Feb 2, 2026 | — | published | 99629285 |
| SENSALIGN | 9 | Oct 31, 2025 | — | abandoned Sep 21 | 99473228 |
| UNIPORT | 9 | Oct 30, 2025 | — | published · closes Oct 29 | 99470457 |
| S | 9 | Oct 17, 2025 | — | pending | 99449065 |
| PRO3000 | 9 | Sep 4, 2025 | — | published | 99375401 |
| SOUNDBEACON | 9 | Aug 4, 2025 | — | pending | 99319293 |
Anyone who believes they would be harmed by registration can oppose during this window.
Registration starts the maintenance clock: a Section 8 declaration is due between years 5 and 6.
A filing missed by the due date enters a six-month grace period, then the registration cancels.
About Fluke Corporation trademarks.
How many trademarks does Fluke Corporation have?
135 live US trademarks as of October 23, 2026: 122 registered and 13 pending applications. 5 were filed in 2026 so far.
What does Fluke Corporation sell, according to its trademarks?
Mostly electronics & software (Class 9, 116 live marks). Also science & technology (saas) (Class 42) and construction & repair (Class 37).
Who owns the RUSKA trademark?
RUSKA is owned by Fluke Corporation. It was registered on July 31, 1962 (Reg. No. 0735335) and is live. The same owner holds 134 other live US marks.
When did Fluke Corporation first file a trademark?
Its oldest live US filing dates from 1961: RUSKA, filed September 7, 1961.
Know the morning after Fluke Corporation files.
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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.