Assignee
HATCH LTD
CA·54 granted patents·23 pending applications·201 citations·filing 2000–2025
Top patents by PatentIndex Score
77 records- 0193US7665362B2Systems, methods and apparatus for non-disruptive and non-destructive inspection of metallurgical furnaces and similar vesselsHATCH LTD·Filed 2007·Granted Feb 23, 2010·10 cites·16 claims
- 0292US10995014B1Process for producing crystallized metal sulfatesHATCH LTD·Filed 2020·Granted May 4, 2021·39 cites·30 claims
- 0390US12441621B2Treatment process for crystallizing a metal sulfateHATCH LTD·Filed 2022·Granted Oct 14, 2025·1 cites·41 claims
- 0486US9845992B2Feed flow conditioner for particulate feed materialsHATCH LTD·Filed 2014·Granted Dec 19, 2017·6 cites·32 claims
- 0584US9347708B2Furnace with refractory bricks that define cooling channels for gaseous mediaHATCH LTD·Filed 2012·Granted May 24, 2016·3 cites·20 claims
- 0684US7212561B2System and method for controlling electrical power across multiple furnaces using variable reactorsHATCH LTD·Filed 2005·Granted May 1, 2007·7 cites·35 claims
- 0783US12054401B2Process and method for producing crystallized metal sulfatesHATCH LTD·Filed 2021·Granted Aug 6, 2024·1 cites·35 claims
- 0883US2024409432A1Process and method for producing crystallized metal sulfatesHATCH LTD·Filed 2024·Application pending·0 cites
- 0981US10408767B1System and method for detecting imperfections in a reflective surfaceHATCH LTD·Filed 2018·Granted Sep 10, 2019·4 cites·23 claims
- 1081US7257146B2System and method for controlling power across multiple electrodes in a furnaceHATCH LTD·Filed 2005·Granted Aug 14, 2007·5 cites·38 claims
- 1178US9870593B2System, method and controller for managing and controlling a micro-gridHATCH LTD·Filed 2012·Granted Jan 16, 2018·11 cites·30 claims
- 1278US9791416B2Furnace structural integrity monitoring systems and methodsHATCH LTD·Filed 2013·Granted Oct 17, 2017·6 cites·29 claims
- 1378US7976770B1Diagnostic system and method for metallurgical reactor cooling elementsHATCH LTD·Filed 2006·Granted Jul 12, 2011·5 cites·11 claims
- 1478US2026070803A1Treatment process for crystallizing a metal sulfateHATCH LTD·Filed 2025·Application pending·0 cites
- 1577US10174403B2Methods and apparatus for metal recovery from slagHATCH LTD·Filed 2015·Granted Jan 8, 2019·3 cites·5 claims
- 1676US7295593B2System and method of minimizing loss of electrical conduction during input of feed material to a furnaceHATCH LTD·Filed 2005·Granted Nov 13, 2007·3 cites·29 claims
- 1776US7212562B2System and method for controlling total electrical power across multiple furnaces using electrode positioningHATCH LTD·Filed 2005·Granted May 1, 2007·9 cites·42 claims
- 1875US11146067B2Line control circuit configurationHATCH LTD·Filed 2018·Granted Oct 12, 2021·2 cites·19 claims
- 1974US9850138B2Ponds for cooling and/or salt recoveryHATCH LTD·Filed 2014·Granted Dec 26, 2017·2 cites·18 claims
- 2074US7283866B2Needle having multiple electrodesHATCH LTD·Filed 2005·Granted Oct 16, 2007·14 cites·36 claims
- 2174US6860983B2Recovery and re-use of anode oxygen from electrolytic cellsHATCH LTD·Filed 2002·Granted Mar 1, 2005·14 cites·33 claims
- 2273US10259084B2Furnace cooling system with thermally conductive joints between cooling elementsHATCH LTD·Filed 2014·Granted Apr 16, 2019·1 cites·18 claims
- 2371US7783436B2System and method for the acoustic monitoring of tapblocks and similar elementsHATCH LTD·Filed 2008·Granted Aug 24, 2010·2 cites·35 claims
- 2468US12522510B2Sodium sulfate by-product processing in lithium and battery chemical productionHATCH LTD·Filed 2022·Granted Jan 13, 2026·0 cites·29 claims
- 2566US11873539B2Ferronickel alloy direct refining processes and processes for producing nickle sulfate or other nickel productsHATCH LTD·Filed 2022·Granted Jan 16, 2024·0 cites·27 claims
- 2666US9863707B2Furnace with refractory bricks that define cooling channels for gaseous mediaHATCH LTD·Filed 2016·Granted Jan 9, 2018·1 cites·27 claims
- 2766US6945775B2Method and apparatus for heating a slurry to a predetermined temperatureHATCH LTD·Filed 2002·Granted Sep 20, 2005·11 cites·19 claims
- 2864US10527352B2Wear resistant composite material, its application in cooling elements for a metallurgical furnace, and method of manufacturing sameHATCH LTD·Filed 2018·Granted Jan 7, 2020·1 cites·28 claims
- 2964US6875251B2Continuous steelmaking processHATCH LTD·Filed 2002·Granted Apr 5, 2005·6 cites·10 claims
- 3064US6814012B2Furnace binding and adjustment systemsHATCH LTD·Filed 2002·Granted Nov 9, 2004·13 cites·19 claims
- 3162US2025236927A1Metal-dissolving apparatus, processes, and uses thereofHATCH LTD·Filed 2023·Application pending·0 cites
- 3261US12281027B2Processes for crystallizing metal sulfates and methods for producing crystallized metal sulfatesHATCH LTD·Filed 2022·Granted Apr 22, 2025·0 cites·33 claims
- 3361US10315176B2Plug flow reactor with internal recirculation fluidized bedHATCH LTD·Filed 2015·Granted Jun 11, 2019·1 cites·8 claims
- 3459US6953337B2Transfer of hot feed materials from a preprocessing plant to an electric smelting or melting furnaceHATCH LTD·Filed 2002·Granted Oct 11, 2005·3 cites·19 claims
- 3557US2023046474A1Process and apparatus for removing impurities from crystallized metal sulfatesHATCH LTD·Filed 2022·Application pending·0 cites
- 3656US2024035112A1Metal-dissolving apparatus, processes and uses thereofHATCH LTD·Filed 2022·Application pending·0 cites
- 3755US2008013590A1System and method for controlling power across multiple electrodes in a furnaceHATCH LTD·Filed 2007·Application pending·0 cites
- 3854US6724802B1Cooling and support systems for furnace roofsHATCH LTD·Filed 2003·Granted Apr 20, 2004·4 cites·22 claims
- 3953US6692719B1Process for regeneration of acid halide solutionsHATCH LTD·Filed 2000·Granted Feb 17, 2004·2 cites·21 claims
- 4053US2024376566A1Hydrometallurgical treatment of ores or concentrates for removal of preg-robbing organic carbon materialHATCH LTD·Filed 2022·Application pending·0 cites
- 4152US12442065B2System and method for coating of continuous sheets of metalHATCH LTD·Filed 2021·Granted Oct 14, 2025·0 cites·16 claims
- 4251US7075966B2Electrode columnHATCH LTD·Filed 2004·Granted Jul 11, 2006·7 cites·18 claims
- 4349US12145636B2Device, system and method for detecting leakage current for traction power systemHATCH LTD·Filed 2021·Granted Nov 19, 2024·0 cites·17 claims
- 4447US11384986B2Open arc condition mitigation based on measurementHATCH LTD·Filed 2018·Granted Jul 12, 2022·0 cites·21 claims
- 4547US7976774B2Composite spargerHATCH LTD·Filed 2008·Granted Jul 12, 2011·0 cites·17 claims
- 4647US2018301907A1Systems, methods and controllers for control of power distribution devices and systemsHATCH LTD·Filed 2018·Application pending·0 cites
- 4747US2021198766A1System and method for dry ablation benefication of oreHATCH LTD·Filed 2018·Application pending·0 cites
- 4846US10705196B2Method and apparatus for measuring the length of an electrode in an electric arc furnaceHATCH LTD·Filed 2017·Granted Jul 7, 2020·0 cites·43 claims
- 4946US2008056327A1Method and system for predictive electrode lowering in a furnaceHATCH LTD·Filed 2007·Application pending·0 cites
- 5045US7449142B2Plant for use in continuous steelmaking processHATCH LTD·Filed 2005·Granted Nov 11, 2008·0 cites·24 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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