ELTECH SYSTEMS CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 2213
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 729
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 348
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 217
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B27J MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS13
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7884044 Pd-containing coatings for low chlorine overvoltageSep 01, 04Feb 08, 11[C25B, H01M]
6998029 Anodic protection systems and methodsAug 14, 02Feb 14, 06[C25B]
6395153 Diaphragm cellSep 10, 99May 28, 02[C25B]
6368489 Copper electrowinningAug 25, 00Apr 09, 02[C25C]
6352622 Lead electrodeSep 13, 00Mar 05, 02[C25B]
6328860 Diaphragm cell cathode busbar structureJul 23, 99Dec 11, 01[C25B]
6254743 Expanded titanium metal meshDec 24, 90Jul 03, 01[C25B, C23F]
6139705 Lead electrodeMar 22, 99Oct 31, 00[C25B]
6071570 Electrodes of improved service lifeAug 27, 97Jun 06, 00[C23C]
5989396 Electrode and electrolytic cell containing sameApr 01, 98Nov 23, 99[C25B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7258778 Electrocatalytic coating with lower platinum group metals and electrode made therefromExpiredMar 24, 03Aug 21, 07[C25B]
7247229 Coatings for the inhibition of undesirable oxidation in an electrochemical cellExpiredOct 18, 02Jul 24, 07[C25B]
6802948 Copper electrowinningExpiredJan 30, 02Oct 12, 04[C25B]
6582571 Diaphragm cell cathode structureExpiredMay 11, 01Jun 24, 03[C25D, C25C, C25B]
6527939 Method of producing copper foil with an anode having multiple coating layersExpiredJun 22, 00Mar 04, 03[C25D]
2003/0010,649 Inert anode for electrochemical processAbandonedJul 16, 01Jan 16, 03[C25B, C25F]
2002/0005,362 Spiral feed and discharge manifold for electrolytic cellsAbandonedJun 07, 01Jan 17, 02[C25B, B23K]
6328863 Spiral feed and discharge manifold for electrolytic cellsExpiredAug 03, 99Dec 11, 01[C25B]
6309523 Electrode and electrolytic cell containing sameExpiredOct 28, 99Oct 30, 01[C25B]
6051117 Reticulated metal article combining small pores with large aperturesExpiredNov 05, 97Apr 18, 00[C25B]
5849164 Cell with blade electrodes and recirculation chamberExpiredJun 02, 97Dec 15, 98[C25B]
5804053 Continuously electroplated foam of improved weight distributionExpiredOct 25, 96Sep 08, 98[C25D]
5783053 Combination inner plate and outer envelope electrodeExpiredFeb 10, 97Jul 21, 98[C25B, H01R]
5783058 Anode electroplating cell and methodExpiredJun 06, 96Jul 21, 98[C25D]
5619793 Method of refurbishing a plate electrodeExpiredOct 16, 95Apr 15, 97[H01R]
5584975 Tubular electrode with removable conductive coreExpiredJun 15, 95Dec 17, 96[C25B]
5578176 Method of preparing electrodes of improved service lifeExpiredMay 15, 95Nov 26, 96[C25B]
5464519 Refurbished electrode having an inner plate and outer envelope electrodeExpiredDec 02, 93Nov 07, 95[C25B]
5421977 Filter press electrolyzerExpiredJun 30, 93Jun 06, 95[C25B]
5374491 High density, high capacity battery electrodeExpiredAug 06, 93Dec 20, 94[H01M]

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