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Class Information
Number: 204/279
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > Elements
Description: Elements specialized for carrying out any of the electrolytic processes provided for in this class which are not provided for in outside classes or below.

Sub-classes under this class:

Class Number Class Name Patents
204/295 Diaphragms 255
204/297.01 Electrode support or work holder 215
204/280 Electrodes 449

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8647481 Pot tending machine for working on electrolysis cells for the production of aluminum by igneous electrolysis Feb. 11, 2014
8637174 Phosphonic acid-containing blends and phosphonic acid-containing polymers Jan. 28, 2014
8597477 Contact bar assembly, system including the contact bar assembly, and method of using same Dec. 3, 2013
8518229 Integrated electrode-current collector sheet for capacitive deionization, capacitive deionization device and electric double layer capacitor having the same Aug. 27, 2013
8500970 Electrolysis cell for the production of aluminum comprising means to reduce the voltage drop Aug. 6, 2013
8425112 Measuring device Apr. 23, 2013
8398413 Carbon fiber electrical contacts formed of composite material including plural carbon fiber elements bonded together in low-resistance synthetic resin Mar. 19, 2013
8398831 Rapidly cleanable electroplating cup seal Mar. 19, 2013
8382964 Solar-powered pool skimmer lid Feb. 26, 2013
8372255 Elastic current collector for electrochemical cells Feb. 12, 2013
8349151 Universal cell frame for high-pressure water electrolyzer and electrolyzer including the same Jan. 8, 2013
8342207 Making a liquid/liquid or gas system in microfluidics Jan. 1, 2013
8308920 Double contact bar insulator assembly for electrowinning of a metal Nov. 13, 2012
8303795 Method for arranging electrodes in an electrolytic process and an electrolytic system Nov. 6, 2012
8303793 Method of providing electric current taker for support bar, and support bar Nov. 6, 2012
8293080 Contact ring having electrically conductive brush Oct. 23, 2012
8293078 Device and method for short-circuiting one or more cells in an arrangement of electrolysis cells intended for the production of aluminium Oct. 23, 2012
8273223 Handling device for hoods of a cell for electrolytic aluminium production Sep. 25, 2012
8252156 Electrode containers and associated methods Aug. 28, 2012
8241469 Reactor cover and hydrogen generating apparatus and fuel cell power generation system having the same Aug. 14, 2012
8163231 Apparatus and a method for tapping metal Apr. 24, 2012
8147662 Capping board section and assembly with reinforced mating projection Apr. 3, 2012
8142627 System for monitoring, control, and management of a plant where hydrometallurgical electrowinning and electrorefining processes for non ferrous metals Mar. 27, 2012
8128792 Fluorine gas generator Mar. 6, 2012
8123917 Contact bar for capping board Feb. 28, 2012
8083910 Insulating spacer for plating inner surface and auxiliary anode unit Dec. 27, 2011
8052851 Protective edging for a cathode of an electroplating system Nov. 8, 2011
8029296 Carbon fiber electrical contacts formed of composite carbon fiber material Oct. 4, 2011
8002956 Plating stand-off Aug. 23, 2011
7993501 Double contact bar insulator assembly for electrowinning of a metal and methods of use thereof Aug. 9, 2011
7988837 Set of parts for positioning electrodes in cells for the electrodepositing of metals Aug. 2, 2011
7988832 Work piece with a hard film of AlCr-containing material, and process for its production Aug. 2, 2011
7985325 Closed contact electroplating cup assembly Jul. 26, 2011
7976685 Remote controllable pot tending module for use in aluminum production plants Jul. 12, 2011
7976687 Roll unit dipped in surface treatment liquid Jul. 12, 2011
7935231 Rapidly cleanable electroplating cup assembly May. 3, 2011
7918974 Micro-structured insulating frame for electrolysis cell Apr. 5, 2011
7901548 Electrolysis cell with enlarged active membrane surface Mar. 8, 2011
7897024 Conducting belt for use with anode holder and anode holder Mar. 1, 2011
7887680 Device and method for maintaining and connecting an anode rod on an anode frame of an aluminum electrolytic cell Feb. 15, 2011
7857954 Compact pot tending module for use in plants for the production of aluminum by electrolysis Dec. 28, 2010
7857950 Sacrificial anode mounting system Dec. 28, 2010
7854825 Symmetical double contact electro-winning Dec. 21, 2010
7824527 Frame for electrolyser module and electrolyser module and electrolyser incorporating same Nov. 2, 2010
7815778 Electro-chemical mechanical planarization pad with uniform polish performance Oct. 19, 2010
7780823 Compact service module for use in electrolytic aluminum production plants Aug. 24, 2010
7727365 Suction pad and substrate treatment apparatus Jun. 1, 2010
7678247 Cathode edge support device for a remote identifier in electro-winning and electro-refining process Mar. 16, 2010
7670473 Workpiece surface influencing device designs for electrochemical mechanical processing and method of using the same Mar. 2, 2010
7645365 IMAT modules with serial conductive stripes Jan. 12, 2010

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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