| Patents for C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884) |
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| 04/29/1992 | EP0482258A1 Cathode stripping apparatus |
| 04/21/1992 | CA1299138C Composite electrode with aligned bar-shaped elements having wedge-shaped surfaces |
| 04/15/1992 | EP0479956A1 Silver recovery device. |
| 04/14/1992 | CA1298807C Method for positioning sheet-like objects and a corresponding apparatus |
| 04/09/1992 | DE4121588C1 Electrolytic copper@ deposition from ammoniacal copper chloride soln. - in electrolysis tank contg. alternate anodes and cathodes |
| 04/08/1992 | EP0478718A1 Electrode arrangement for electrolytic purposes. |
| 04/07/1992 | US5102522 Metal recovery apparatus |
| 04/07/1992 | US5102513 Apparatus and method for recovering metals from solutions |
| 03/31/1992 | US5100528 A tank with a cathode, an anode and a diaphragm |
| 03/31/1992 | US5100522 Electrodeposition on endless metal belt |
| 03/31/1992 | CA1298154C Composite material |
| 03/25/1992 | CN2099753U Electrolytic processing device |
| 03/25/1992 | CN1059746A Composite assembly of a mother plate with stuck sides and its manufacturing method also applications |
| 03/24/1992 | US5098543 Cathodic protection system for a steel-reinforced concrete structure |
| 03/24/1992 | US5098530 Fusion refining electrolysis to form a protective globe |
| 03/04/1992 | CN1059174A Electrolytic treatment apparatus |
| 02/21/1992 | WO1992003596A1 Electrolytic treatment apparatus |
| 02/21/1992 | CA2089741A1 Electrolytic treatment apparatus |
| 02/18/1992 | US5089094 Process for the electrolytic production of magnesium |
| 02/12/1992 | CN1058623A Installation for removing zinc deposited by electrolysis of aluminium plates |
| 02/05/1992 | EP0470033A2 Installation for removing the zinc deposited by electrolysis on aluminium plates |
| 02/05/1992 | CN1015383B Lead, silver, calcium rare earth multiple-insolubility alloy anode used in electrolysis and its manufacturing thereof |
| 02/04/1992 | US5085730 Process for regenerating ammoniacal chloride etchants |
| 01/15/1992 | EP0466427A1 Electrolytic recovery apparatus |
| 01/08/1992 | EP0465401A1 Apparatus for recovering silver or other precious metals dissolved in a liquid |
| 01/07/1992 | US5079050 Container for corrosive material |
| 12/24/1991 | US5074968 Method and apparatus for stripping starting sheet |
| 12/17/1991 | US5073244 Self-supporting receptacle, especially for use as an electrolysis cell |
| 12/17/1991 | CA1293221C Electrodeposition of metal from solution in rotating cell with parallel spaced electrodes |
| 12/12/1991 | WO1991018837A1 Electrolytic cell for waste water treatment |
| 12/04/1991 | CN1056720A Direct electrolysis method of powder metal materials |
| 12/03/1991 | US5069771 Fluorine-containing cerium oxycompound protective coating |
| 11/27/1991 | EP0457771A1 Electrochemical cells |
| 11/19/1991 | US5066379 Container for corrosive material |
| 11/14/1991 | WO1991017287A1 Method and device for porous-electrode electrolysis |
| 11/13/1991 | EP0211924B1 Method of controlling the alumina feed into reduction cells for producing aluminium |
| 11/12/1991 | US5064513 Comprising carbon fibers embedded in rigid inert material consisting of graphite |
| 10/31/1991 | WO1991014023A3 Fully automatic current control system for metal depletion cells |
| 10/31/1991 | DE4012950A1 Electrolysis cell - has perforated centre tube as anode and flow channel with the cathode concentric round inner wall of housing |
| 10/30/1991 | EP0454056A1 Aluminium cathode-plate for the electrowinning of zinc |
| 10/29/1991 | CA1291442C Plant for the electrolytic production of reactive metals in molten salt baths |
| 10/15/1991 | US5057202 Electrolytic recovery unit |
| 10/15/1991 | US5057194 Salt-based melting process |
| 10/03/1991 | WO1991014804A1 Electrode arrangement for electrolytic purposes |
| 10/03/1991 | WO1991014801A1 Device for the electrolytic regeneration of an etching agent containing metal, especially copper |
| 10/03/1991 | WO1991012358A3 Electrode element for electrolytic purposes and its use |
| 10/02/1991 | EP0449735A1 Electrolytic de-pollution reactor |
| 10/02/1991 | DE4010034A1 Vorrichtung zur elektrolytischen regeneration eines metallhaltigen, insbesondere kupferhaltigen, aetzmittels Apparatus for the electrolytic regeneration of a metal-containing, in particular copper-containing, etching agent |
| 10/02/1991 | CN1055016A Method for making cathod carbon block used in aluminium electrolytic bath |
| 10/01/1991 | CA1289910C Titanium mesh in concrete overlay for cathodic protection of reinforcement |
| 09/19/1991 | WO1991014022A1 Silver recovery device |
| 09/18/1991 | WO1991014803A1 Electrode arrangement for electrolytic purposes |
| 09/18/1991 | EP0302891B1 Method and plant for electrolysis by seeping through one or a plurality of porous voluminal electrodes |
| 09/18/1991 | CA2076862A1 Electrode arrangement for electrolytic purposes |
| 09/05/1991 | DE4006751A1 Vollautomatische stromsteuerung fuer metallabreicherungszellen Fully automatic power control for metallabreicherungszellen |
| 09/04/1991 | WO1991014023A2 Fully automatic current control system for metal depletion cells |
| 09/04/1991 | CN2084056U Composite cathode plate electrolysis copper |
| 09/04/1991 | CA2076759A1 Fully automatic current control system for metal depletion cells |
| 09/03/1991 | US5045160 Demetallization of wastes |
| 09/03/1991 | US5044192 Lug straightener |
| 08/27/1991 | US5043050 Electrolytic treatment apparatus |
| 08/21/1991 | EP0442644A1 Carbon electrode, and method and apparatus for the electrolysis of a hydrogen fluoride-containing molten salt by the use of the carbon electrode |
| 08/21/1991 | EP0442605A1 Method of performing electrochemical ion exchange |
| 08/08/1991 | DE4003516A1 Elektrodenelement fuer elektrolytische zwecke und dessen verwendung Electrode element for electrolytic purposes and its use |
| 08/07/1991 | WO1991012358A2 Electrode element for electrolytic purposes and its use |
| 08/07/1991 | CA2073352A1 Electrode element for electrolytic purposes and its use |
| 08/06/1991 | US5037520 Container for corrosive material |
| 07/31/1991 | CN1013381B Extraction method of zinc from ores and concentrates |
| 07/25/1991 | DE4007127C1 Electrode for electrolytic treatment of waste water - consists of nonwoven or needle felted non-conducting plastic fibres providing porous structure |
| 07/24/1991 | EP0437921A2 Cyclic voltamperemetry |
| 07/17/1991 | EP0436873A1 Stopper for obturating holes provided for anode rods in anode blocks during calcination treatment |
| 07/16/1991 | US5032245 Reticulate electrode bus connection |
| 07/16/1991 | CA1286251C Electrowinning cell |
| 07/09/1991 | US5030520 Bimetallic wire; inner copper core, outer layer of transition metal |
| 07/02/1991 | US5028370 Sintering, Coal Mining Debris |
| 06/29/1991 | CA2033296A1 Plug for sealing the recesses for anode rods in anode blocks during the calcination process |
| 06/26/1991 | EP0434622A1 Molten salt stripping of electrode coatings |
| 06/20/1991 | CA2031454A1 Molten salt stripping of electrode coatings |
| 06/19/1991 | CN1012909B Process for recovering lead from exhuasted accumulator |
| 06/12/1991 | EP0431313A1 Container for corrosive electrolytes |
| 06/05/1991 | EP0429748A1 Electrode for the recovery of metals from a solution containing metal-ions |
| 06/05/1991 | EP0429710A1 Container for corrosive materials |
| 05/29/1991 | EP0428789A1 An electrolytic silver recovery device |
| 05/28/1991 | US5019225 Molten salt electrowinning electrode, method and cell |
| 05/28/1991 | US5019224 Electrolytic process |
| 05/28/1991 | US5019172 Chemical treatment of aluminum cathodes in zinc electrowinning |
| 05/27/1991 | CA2003913A1 Controlling processes for the electrolytic recovery of metals |
| 05/22/1991 | EP0343188A4 Electrically conductive titanium suboxides |
| 05/21/1991 | US5017273 Disposable cell for recovering conductive metal and method of using |
| 05/15/1991 | CN2076989U Disengaging plate stripping machine for sedimentation manganese on electrolytic negative plate |
| 05/14/1991 | US5015343 Forming metal from oxide by electrolysis |
| 05/14/1991 | US5015342 Method and cell for the electrolytic production of a polyvalent metal |
| 05/08/1991 | DE3936964A1 Electrode system esp. for recovering metal from process water - comprising endless band electrode around side parts and tensioned by sheet anode between parts |
| 05/07/1991 | US5013413 Apparatus for the continuous production of a polyvalent metal |
| 05/07/1991 | CA1283883C Dimensionally stable anode for molten salt electrowinning and method of electrolysis |
| 05/01/1991 | CN2076107U Electrolytic granite bath |
| 04/30/1991 | CA1283625C Multicompartment cell with inner membrane tubes and end closures |
| 04/25/1991 | CA2027156A1 Cyclic voltammetry |
| 04/24/1991 | EP0424287A1 Process and device for introducing at least one liquid or gaseous halide into the bath of a molten salt electrolysis cell |
| 04/23/1991 | US5009752 Process and apparatus for recovery of fissionable materials from spent reactor fuel by anodic dissolution |