Elkem ASA
51 live US trademarks, filing since 1940. 1 new application 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 Elkem ASA filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| CAST | 42 | Oct 8, 2026 | — | pending | 50150979 |
| ELKINOC | 6 | Jul 7, 2025 | — | registered Apr 21 | 79428934 |
| POLARSI | 1 | Nov 8, 2024 | — | registered Apr 1 | 79411288 |
| PIPEMAG | 6 | Jun 18, 2024 | — | registered Jan 27 | 98606603 |
| SIOXX | 19 | Jan 22, 2024 | — | registered Dec 17 | 98369259 |
| SILPERIOR | 1 | Feb 28, 2023 | — | registered Oct 10 | 79365799 |
| EMSIL-DRY | 1, 19 | Aug 26, 2022 | — | registered May 14 | 79352185 |
| TENBLOC | 6 | Jun 17, 2021 | — | registered Jan 10 | 79321475 |
| ELKEM | 1, 6, 17, 19, 40, 42 | Mar 3, 2021 | — | registered Oct 10 | 90557787 |
| E ELKEM | 1, 6, 17, 19, 40, 42 | Mar 3, 2021 | — | registered Oct 10 | 90557846 |
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 Elkem ASA trademarks.
How many trademarks does Elkem ASA have?
51 live US trademarks as of October 23, 2026: 50 registered and 1 pending applications. 1 were filed in 2026 so far.
What does Elkem ASA sell, according to its trademarks?
Mostly common metals (Class 6, 31 live marks). Also chemicals (Class 1) and building materials (Class 19).
Who owns the S M Z trademark?
S M Z is owned by Elkem ASA. It was registered on January 28, 1941 (Reg. No. 0384665) and is live. The same owner holds 50 other live US marks.
When did Elkem ASA first file a trademark?
Its oldest live US filing dates from 1940: S M Z, filed September 7, 1940.
Know the morning after Elkem ASA 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.