Hatch Ltd.
Records under this name other than the patents Hatch Ltd. 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 47 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,995,014 | Process for Producing Crystallized Metal Sulfates Formerly held In force · High confidence | In force | High confidence | |
| US 12,054,401 | Process and Method for Producing Crystallized Metal Sulfates Formerly held In force · High confidence | In force | High confidence | |
| US 8,776,900 | Methods and Apparatuses For Enhanced In Situ Hydrocarbon Production Lapsed on the fee record Ended Jul 15, 2026 · High confidence | Lapsed on the fee record | Ended Jul 15, 2026 | High confidence |
| US 7,976,774 | Composite sparger Term ended Term ended May 16, 2026 · From the USPTO record | Term ended | Term ended May 16, 2026 | From the USPTO record |
| US 9,845,992 | Feed flow conditioner for particulate feed materials Lapsed on the fee record Ended Dec 19, 2025 · From the USPTO record | Lapsed on the fee record | Ended Dec 19, 2025 | From the USPTO record |
| US 11,146,067 | Line control circuit configuration Lapsed on the fee record Ended Oct 12, 2025 · From the USPTO record | Lapsed on the fee record | Ended Oct 12, 2025 | From the USPTO record |
| US 7,212,562 | System and method for controlling total electrical power across multiple furnaces using electrode positioning Term ended Term ended Sep 30, 2025 · From the USPTO record | Term ended | Term ended Sep 30, 2025 | From the USPTO record |
| US 7,257,146 | System and method for controlling power across multiple electrodes in a furnace Term ended Term ended Sep 30, 2025 · From the USPTO record | Term ended | Term ended Sep 30, 2025 | From the USPTO record |
| US 7,212,561 | System and Method for Controlling Electrical Power Across Multiple Furnaces Using Variable Reactors Term ended Term ended Aug 31, 2025 · High confidence | Term ended | Term ended Aug 31, 2025 | High confidence |
| US 7,295,593 | System and method of minimizing loss of electrical conduction during input of feed material to a furnace Term ended Term ended Aug 30, 2025 · From the USPTO record | Term ended | Term ended Aug 30, 2025 | From the USPTO record |