Sierra Instruments, Inc.
19 live US trademarks, filing since 1996.
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 Sierra Instruments, Inc. filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| SMARTTRAK | 9 | May 1, 2023 | — | registered May 28 | 97915921 |
| QUADRATHERM | 9 | May 1, 2023 | — | registered May 28 | 97915941 |
| MEASURABLY DIFFERENT | 9, 36 | May 1, 2023 | — | registered Sep 23 | 97915958 |
| REDYCOMPACT | 9 | Dec 18, 2019 | — | registered Jun 15 | 88731299 |
| REDYSMART | 9 | Dec 18, 2019 | — | registered Feb 9 | 88731300 |
| AIR-TRAK | 9 | Jun 30, 2017 | — | registered Feb 6 | 87512474 |
| QTHERM | 9 | Feb 19, 2013 | — | registered May 20 | 85854221 |
| S | 9 | Sep 26, 2011 | — | registered Dec 4 | 85432223 |
| STEEL-MASS | 9 | Nov 5, 2009 | — | registered Apr 20 | 77866195 |
| QUADRA THERM | 9 | Oct 28, 2009 | — | registered Dec 11 | 77859445 |
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 Sierra Instruments, Inc. trademarks.
How many trademarks does Sierra Instruments, Inc. have?
19 live US trademarks as of October 23, 2026: 19 registered and 0 pending applications. None have been filed in 2026 so far.
What does Sierra Instruments, Inc. sell, according to its trademarks?
Mostly electronics & software (Class 9, 19 live marks). Also insurance & finance (Class 36).
Who owns the MASS-TRAK trademark?
MASS-TRAK is owned by Sierra Instruments, Inc.. It was registered on May 19, 1998 (Reg. No. 2159572) and is live. The same owner holds 18 other live US marks.
When did Sierra Instruments, Inc. first file a trademark?
Its oldest live US filing dates from 1996: MASS-TRAK, filed August 13, 1996.
Know the morning after Sierra Instruments, 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.