The Patent Finder

Hatch Ltd.

Also on record
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.

Back to Hatch Ltd.

PatentTitleStatus Expires Confidence
US 10,995,014Process for Producing Crystallized Metal Sulfates
Formerly held
In force
 · High confidence
In forceHigh confidence
US 12,054,401Process and Method for Producing Crystallized Metal Sulfates
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,776,900Methods and Apparatuses For Enhanced In Situ Hydrocarbon Production
Lapsed on the fee record
Ended Jul 15, 2026 · High confidence
Lapsed on the fee recordEnded Jul 15, 2026High confidence
US 7,976,774Composite sparger
Term ended
Term ended May 16, 2026 · From the USPTO record
Term endedTerm ended May 16, 2026From the USPTO record
US 9,845,992Feed flow conditioner for particulate feed materials
Lapsed on the fee record
Ended Dec 19, 2025 · From the USPTO record
Lapsed on the fee recordEnded Dec 19, 2025From the USPTO record
US 11,146,067Line control circuit configuration
Lapsed on the fee record
Ended Oct 12, 2025 · From the USPTO record
Lapsed on the fee recordEnded Oct 12, 2025From the USPTO record
US 7,212,562System 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 endedTerm ended Sep 30, 2025From the USPTO record
US 7,257,146System and method for controlling power across multiple electrodes in a furnace
Term ended
Term ended Sep 30, 2025 · From the USPTO record
Term endedTerm ended Sep 30, 2025From the USPTO record
US 7,212,561System and Method for Controlling Electrical Power Across Multiple Furnaces Using Variable Reactors
Term ended
Term ended Aug 31, 2025 · High confidence
Term endedTerm ended Aug 31, 2025High confidence
US 7,295,593System 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 endedTerm ended Aug 30, 2025From the USPTO record
10 of 64 patents shown.
Pro members see all 64.
Pro members: see all 64 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited