Birchtech Corp.
Records under this name other than the patents Birchtech Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 9 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,173,566 | Process for Regenerating a Spent Sorbent Term ended Term ended Oct 26, 2026 · High confidence | Term ended | Term ended Oct 26, 2026 | High confidence |
| US 8,807,056 | Mercury Control Using Moderate-Temperature Dissociation of Halogen Compounds Lapsed on the fee record Ended Aug 19, 2026 · Medium confidence | Lapsed on the fee record | Ended Aug 19, 2026 | Medium confidence |
| US 10,933,370 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Apr 24, 2026 · High confidence | Term ended | Term ended Apr 24, 2026 | High confidence |
| US 7,435,286 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Mar 18, 2026 · High confidence | Term ended | Term ended Mar 18, 2026 | High confidence |
| US 8,652,235 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Jan 23, 2026 · Medium confidence | Term ended | Term ended Jan 23, 2026 | Medium confidence |
| US 9,757,689 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Oct 23, 2025 · High confidence | Term ended | Term ended Oct 23, 2025 | High confidence |
| US 10,589,225 | Sorbents for the Oxidation and Removal of Mercury Term ended Ended no later than Aug 23, 2025 · Medium confidence | Term ended | Ended no later than Aug 23, 2025 | Medium confidence |
| US 8,168,147 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Aug 22, 2025 · High confidence | Term ended | Term ended Aug 22, 2025 | High confidence |
| US 8,512,655 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Aug 22, 2025 · High confidence | Term ended | Term ended Aug 22, 2025 | High confidence |
| US 8,821,819 | Sorbents for the Oxidation and Removal of Mercury Term ended Term ended Aug 22, 2025 · High confidence | Term ended | Term ended Aug 22, 2025 | High confidence |