Class C25C : PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
Subclass 1/18: Electrolytic production, recovery or refining of metals by electrolysis of solutions (C25C 5/00 takes precedence) of lead
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11708640 | Systems and methods for aqueous recovery of lead from lead acid batteries with reduced electrolyte demand | Jun 12, 20 | Jul 25, 23 | Aqua Metals Inc. |
| 11667990 | Process for recovering lead from a lead pastel and use thereof in a process for recovering lead-acid accumulator components | Mar 06, 19 | Jun 06, 23 | Engitec Technologies S.p.A. |
| 11280011 | Electrolytic method for extracting tin and/or lead contained in an electrically conductive mixture | Dec 19, 17 | Mar 22, 22 | Veolia Environment VE |
| 11239507 | Devices and method for smelterless recycling of lead acid batteries | May 09, 19 | Feb 01, 22 | Aqua Metals Inc. |
| 11180825 | Process for the depression of iron sulphides and other disposable elements in the concentration of mineral by flotation and electrochemical reactor | Aug 02, 17 | Nov 23, 21 | LAIN TECHNOLOGIES LTD |
| 11072864 | Systems and methods for continuous alkaline lead acid battery recycling | Jun 07, 19 | Jul 27, 21 | Aqua Metals Inc. |
| 11035023 | Reactor systems for recovering metals, and related methods | Jul 29, 19 | Jun 15, 21 | Battelle Energy Alliance LLC |
| 11028460 | Systems and methods for recovery of lead from lead acid batteries | May 13, 16 | Jun 08, 21 | Aqua Metals Inc. |
| 10981793 | Electrochemical deposition for metal ion extraction/removal from water | Jun 29, 17 | Apr 20, 21 | The Board of Trustees of the Leland Stanford Junior University |
| 10793957 | Closed loop systems and methods for recycling lead acid batteries | May 13, 16 | Oct 06, 20 | Aqua Metals Inc. |
| 10774433 | Electrochemical recycling of lead-based materials | Jun 09, 16 | Sep 15, 20 | IMPERIAL WHITE CITY INCUBATOR LIMITED |
| 10689769 | Electrodeposited lead composition, methods of production, and uses | May 13, 16 | Jun 23, 20 | Aqua Metals Inc. |
| 10665907 | Devices and method for smelterless recycling of lead acid batteries | Nov 13, 17 | May 26, 20 | Aqua Metals Inc. |
| 10584424 | Process for preparing lead by electroreduction with ammonium sulfate and ammonia | Jul 10, 17 | Mar 10, 20 | Xiangyun Tenglong Investment Co., Ltd. |
| 10566665 | Devices and method for smelterless recycling of lead acid batteries | Nov 13, 17 | Feb 18, 20 | Aqua Metals Inc. |
| 10563315 | Process for preparing lead by electroreduction with ammonium chloride and ammonia | Jul 10, 17 | Feb 18, 20 | Xiangyun Tenglong Investment Co., Ltd. |
| 10493607 | Concrete nailer having magazine cutout for deep tracks | Jun 28, 16 | Dec 03, 19 | Stanley Black & Decker, Inc. |
| 10378081 | Methods for recovering metals from electronic waste, and related systems | Aug 30, 17 | Aug 13, 19 | Battelle Energy Alliance LLC |
| 10340561 | Devices and method for smelterless recycling of lead acid batteries | May 13, 15 | Jul 02, 19 | Aqua Metals Inc. |
| 10337114 | Process for the treatment of end-of-life cathode-ray tubes | Mar 22, 17 | Jul 02, 19 | E.V.H. S.r.l. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0075,357 | Systems And Methods For Direct Oxide Production | Jan 21, 22 | Mar 06, 25 | Aqua Metals Inc. |
| 2024/0368,729 | METHOD FOR REMOVING HALIDE FROM WAELZ OXIDE | May 24, 23 | Nov 07, 24 | Not available |
| 2024/0328,022 | ELECTROCHEMICAL METALLURGICAL PROCESS FOR EXTRACTING METALS AND SULFUR FROM METALLIC SULFIDES | Jun 14, 24 | Oct 03, 24 | Not available |
| 2024/0309,531 | TWO-COMPARTMENT ELECTROLYZER | Apr 25, 23 | Sep 19, 24 | VERDEEN CHEMICALS INC. |
| 2024/0240,345 | BIPOLAR ELECTROLYZER | Apr 05, 23 | Jul 18, 24 | VERDEEN CHEMICALS INC. |
| 2024/0093,398 | ELECTROLYTIC EXTRACTION OF ELEMENTAL METAL FROM METAL COMPOUNDS | May 05, 22 | Mar 21, 24 | VERDEEN CHEMICALS INC. |
| 2023/0374,684 | APPARATUS FOR ELECTRO-CHEMICAL EXTRACTION OF ELEMENTAL LEAD FROM DROSS | Aug 12, 22 | Nov 23, 23 | VERDEEN CHEMICALS INC. |
| 2023/0313,400 | Systems And Methods For Aqueous Recovery Of Lead From Lead Acid Batteries With Reduced Electrolyte Demand | Jun 06, 23 | Oct 05, 23 | Aqua Metals Inc. |
| 2022/0275,527 | Metal Recovery From Lead Containing Electrolytes | Jul 28, 20 | Sep 01, 22 | Aqua Metals Inc. |
| 2018/0355,494 | Closed Loop Systems and Methods for Recycling Lead Acid Batteries | May 13, 16 | Dec 13, 18 | Aqua Metals Inc. |
| 2018/0179,650 | Electrochemical Recycling Of Lead-Based Materials | Jun 09, 16 | Jun 28, 18 | Not available |
| 2018/0127,888 | Electrodeposited Lead Composition, Methods of Production, and Uses | May 13, 16 | May 10, 18 | Not available |
| 2013/0026,049 | METHOD FOR RECOVERING VALUABLE METALS | Apr 28, 11 | Jan 31, 13 | OUTOTEC OYJ |
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