| Patents for C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884) |
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| 05/18/1999 | US5904821 Hydraulics permeable collection assembly extends below the top level of the cathode, impact surfaces angle upwards which coalesce sodium or lithium droplets; efficient: reduced ?fireflies? (sodium burning on electrolyte surface) |
| 05/12/1999 | EP0915187A1 Metal magnesium electrolyzer |
| 05/05/1999 | CN1215759A Apparatus for electrolysis deoxidation of solid electrolyte |
| 04/27/1999 | CA2012618C Self-supporting receptacle, especially for use as an electrolysis cell |
| 04/21/1999 | EP0909345A1 Copper cathode starting sheets |
| 04/21/1999 | CN1043064C Electrolytic electrode and its manufacture and use |
| 04/20/1999 | CA2043349C A method for measuring impurity concentration and removing impurities from electrolytic solution for electrowinning of size. |
| 04/15/1999 | WO1999018264A1 Electrode for electrolytic refining or electrowinning and method for producing the same |
| 04/15/1999 | CA2304676A1 Electrode for electrolytic refining or electrowinning and method for producing the same |
| 04/14/1999 | EP0729521B1 Refractory slab joining system |
| 04/14/1999 | CN1213712A Ventilation system for electrolytic cell |
| 04/07/1999 | CN1213017A Improved diaphragm chlor-alkali electrolysis cell |
| 03/25/1999 | WO1998049371A9 Apparatus for producing titanium crystal and titanium |
| 03/25/1999 | WO1998049357A9 Titanium crystal and titanium |
| 03/23/1999 | CA2078518C Channeled electrode defined by threads of electrically conducting material |
| 03/18/1999 | WO1998058090A3 A method and a device for recovering metals comprising dissolving, concentrating and electrowinning means with rotatable cathode |
| 03/17/1999 | CN1210906A Steel plastic electrolytic bath |
| 03/17/1999 | CA2246881A1 Anode for oxygen evolution in electrolytes containing manganese and fluorides |
| 03/16/1999 | US5882502 Electrochemical apparatus and system for extracting and recovering metals from their compounds |
| 03/16/1999 | CA2186939C Silver electrolysis method in moebius cells |
| 03/16/1999 | CA2137124C Pressure leaching of nickel and cobalt sulphides with chlorine under controlled redox potential conditions |
| 03/11/1999 | WO1999011841A1 Separating member for separating the tank bottom part from the rest of the tank |
| 03/11/1999 | CA2301632A1 Separating member for separating the tank bottom part from the rest of the tank |
| 03/10/1999 | CN1210154A Negative plate for electrolysis |
| 03/10/1999 | CN1042447C Cathode for electrolytic deposition of non-ferrous metals |
| 03/03/1999 | EP0899360A1 Diaphragm chlor-alkali electrolysis cell |
| 03/03/1999 | CN1209469A Electrolytic anode plate |
| 02/23/1999 | US5873986 Metal recovery apparatus |
| 02/23/1999 | CA2116205C Cleaning system for electrolytic tanks |
| 02/23/1999 | CA1340408C Protection coating for prebaked anode logs and their emerging part |
| 02/18/1999 | WO1999007920A1 Holder for a mother plate |
| 02/18/1999 | WO1999007911A1 Metallurgical process for manufacturing electrowinning lead and lead alloy electrodes |
| 02/18/1999 | DE19749445C1 Electrolysis cell for removal of metals from electrolyte solutions |
| 02/11/1999 | DE19734083A1 Arrangement for joining two development machines to an electrolysis unit with an open electrolysis cell |
| 02/10/1999 | CN1042044C Edge protector for electrolytic electrode, spreader bar thereof and method of attaching same to electrolytic electrode |
| 02/04/1999 | WO1999005343A1 Fused chloride salt electrolysis cell |
| 02/04/1999 | CA2293244A1 Fused chloride salt electrolysis cell |
| 02/02/1999 | US5865980 Mixed metal oxide |
| 02/02/1999 | US5865967 Cathode plate used for hydro-electro-winning or electro-refining |
| 01/27/1999 | CN2305410Y Novel laminated composite board conductive clip device |
| 01/27/1999 | CN1206438A Method for producing mother plate for electrolytic cleaning and mother plate produced according to said method |
| 01/27/1999 | CN1041850C Electrode, its manufacture and use |
| 01/20/1999 | EP0892086A1 Anode on a basis of lead |
| 01/20/1999 | CN1041758C Method and device for pickling of stainless steel |
| 01/20/1999 | CN1041736C Method for preparing intrisic conduction polymer microfibre, film and thick product |
| 01/19/1999 | CA2121275C Procedure and machine for cleaning the anodes of electrolytic tanks |
| 01/19/1999 | CA2012009C Process for the electrolytic production of magnesium |
| 01/13/1999 | CN2303854Y Edging strip for mother polar-plate of electrolytic tank |
| 01/13/1999 | CN1204700A Metal lithium electrolytic bath |
| 01/05/1999 | US5855757 Fused salt electrolyte |
| 01/05/1999 | US5855756 Methods and apparatus for enhancing electrorefining intensity and efficiency |
| 01/05/1999 | US5855749 Ventilation system for electrolytic cell |
| 12/23/1998 | WO1998058101A1 Anode for electrolytic refining |
| 12/23/1998 | WO1998058090A2 A method and a device for recovering metals comprising dissolving, concentrating and electrowinning means with rotatable cathode |
| 12/23/1998 | EP0885976A1 Electrowinning of high purity zinc metal from a Mn-containing leach solution preceded by cold electrolytic demanganization |
| 12/23/1998 | CN2301453Y Silver recovery and liquid reagent regenerating machine |
| 12/22/1998 | US5851677 Coating composition for carbon-containing products and said coating |
| 12/09/1998 | EP0882816A1 Electrolytic cell for removing silver from silver-containing aqueous liquids |
| 12/09/1998 | EP0854941A4 Electrochemical system |
| 12/09/1998 | CN2299879Y Titanium electrolytic starting sheet cell |
| 12/09/1998 | CN2299878Y Energy-saving DC power supply for rare earth electrolysis |
| 12/09/1998 | CN2299876Y Magnetic refining apparatus |
| 12/02/1998 | EP0717792B1 Cell for the recovery of metals from dilute solutions |
| 11/25/1998 | EP0847454A4 Intense yet energy-efficient process for electrowinning of zinc in mobile particle beds |
| 11/25/1998 | CN2298264Y Electrolytic blank |
| 11/25/1998 | CN2298263Y Electric tank |
| 11/19/1998 | DE19720570A1 Concentration determination of metal ions in aqueous solution |
| 11/18/1998 | CN1040780C Electrolytic tanks for electrolytic equipment |
| 11/17/1998 | US5837122 Oxidation of electrolyte solution containing mixture of dissolved metal and impurities, then plating out metal onto cathode comprising porous conductive filaments, adsorption of impurities; purification |
| 11/17/1998 | US5837111 Electrodes having annular bristle brush joined to top of circular mounting plate so that when electrodes are positioned in bath adjacent brushes form mist filter when elongated bristles intermingle |
| 11/11/1998 | CN1198482A Preparation of battery grade mixed rareearth metal by rareearth chloride molten-salt electrolysis and its equipment |
| 11/10/1998 | US5833830 Electrowinning a metal from an electrolyte |
| 11/05/1998 | WO1998049373A1 Metal magnesium electrolyzer |
| 11/05/1998 | WO1998049372A1 Gripping device for positioning sheet-like objects |
| 11/05/1998 | WO1998049371A1 Apparatus for producing titanium crystal and titanium |
| 11/05/1998 | WO1998049370A1 Method for producing titanium crystal and titanium |
| 11/05/1998 | WO1998049357A1 Titanium crystal and titanium |
| 11/04/1998 | CN1040557C Procedure and machine for cleaning anodes of electrolytic tanks |
| 10/28/1998 | EP0873434A1 Method for producing a mother plate for electrolytic cleaning and a mother plate produced according to said method |
| 10/28/1998 | CN2295765Y Electrolyzing tank |
| 10/22/1998 | DE19817559A1 Anode for electrochemical processes, used in galvanic or electro-metallurgical processes, chrome-plating, zinc-plating |
| 10/21/1998 | EP0871797A1 A conveyor arrangement and conveyor line |
| 10/21/1998 | CN2294965Y Portable open-mouth gold-silver direct extracting machine |
| 10/20/1998 | CA2003154C Carbon electrode with gastight, temperature stable protective globe |
| 10/18/1998 | CA2234209A1 Oxygen-evolving anodes for electrolytes containing fluorides or fluoride-containing anions |
| 10/15/1998 | WO1998045498A1 Substrate body with a protective coating |
| 10/15/1998 | DE19714432A1 Trägerkörper mit einer Schutzbeschichtung The carrier body with a protective coating |
| 10/13/1998 | US5820653 Process for making shaped copper articles |
| 10/13/1998 | CA2121292C Cathode for the electrolytic deposition of non-ferrous metals |
| 10/01/1998 | WO1998042883A2 Silver refining system |
| 09/30/1998 | CN2292811Y Electric conduction structure |
| 09/11/1998 | WO1998030738A3 Method and apparatus for metal extraction and sensor device related thereto |
| 09/08/1998 | US5804055 Electrode, electrochemical cell and electrochemical processes |
| 09/08/1998 | US5802901 Process for correcting the distortion of electrolytic seed plates |
| 09/02/1998 | CN1192165A Process for making shaped copper articles |
| 09/01/1998 | US5799529 Method for straightening and machining an anode lug |
| 08/26/1998 | CN1191579A Mineral recovery apparatus |
| 08/19/1998 | EP0698133B1 A method and a device for pickling of stainless steel |
| 08/13/1998 | WO1998035073A1 Edge protector for refining plates |
| 08/12/1998 | EP0857798A1 An electrolytic cell and method for removing silver from silver-containing aqueous liquids |