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Class Information
Number: 204/228.1
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > With current, voltage, or power control means responsive to sensed condition
Description: Apparatus having means for detecting an apparatus or process characteristic or a change therein and for controlling (i.e., regulating) current, voltage, or power based on the detected characteristic or change therein.

Sub-classes under this class:

Class Number Class Name Patents
204/229.2 And programmed, cyclic, or time responsive control means 81
204/228.6 Electrolyte property sensing means (e.g., temperature, concentration, ph, conductivity, etc.) 143
204/228.3 Fluid flow sensing means 66
204/228.2 Fluid level sensing means 51
204/228.4 Fluid pressure sensing means 29
204/228.9 Having auxiliary electrode 19
204/228.8 Workpiece presence, position, or movement sensing means 25
204/228.7 Workpiece property sensing means (e.g., mass, coating thickness, etc.) 38

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8663449 Feed control method for wire cutting electrochemical discharge machining and apparatus thereof Mar. 4, 2014
8597477 Contact bar assembly, system including the contact bar assembly, and method of using same Dec. 3, 2013
8585875 Substrate plating apparatus with multi-channel field programmable gate array Nov. 19, 2013
8559163 Reaction vessel for producing capacitor element, production method for capacitor element, capacitor element and capacitor Oct. 15, 2013
8551302 Hydrogen generating apparatus and fuel cell power generation system controlling amount of hydrogen generation Oct. 8, 2013
8512540 Plating process and manufacturing process for semiconductor device thereby Aug. 20, 2013
8500969 System for producing electric energy and hydrogen Aug. 6, 2013
8460520 Electrochemical system and method for the treatment of water and wastewater Jun. 11, 2013
8440146 Gas production through pulsed electrolysis May. 14, 2013
8425756 Apparatus and method for producing electrolyzed water Apr. 23, 2013
8419907 Ion eluting unit, device provided therewith, and washing machine Apr. 16, 2013
8419926 Electrolyzed water producing method and apparatus Apr. 16, 2013
8357286 Versatile workpiece refining Jan. 22, 2013
8357269 Intrinsically safe electrolysis system Jan. 22, 2013
8323474 Electro-chemical water processing apparatus and method thereof Dec. 4, 2012
8307484 Method and apparatus for operation of pool cleaner with integral chlorine generator Nov. 13, 2012
8308920 Double contact bar insulator assembly for electrowinning of a metal Nov. 13, 2012
8236148 Electrolysis device for preparation of hypochlorous water Aug. 7, 2012
8187432 Anodizing apparatus May. 29, 2012
8168047 HHO electrolysis cell for increased vehicle fuel mileage May. 1, 2012
8163158 Operation of an electrolysis cell Apr. 24, 2012
8152987 Method for ensuring and monitoring electrolyzer safety and performances Apr. 10, 2012
8114265 Efficiency optimization and damage detection of electrolysis cells Feb. 14, 2012
8038852 Fluorine gas generator Oct. 18, 2011
8025784 System and method for controlling the generation of a biocidal liquid Sep. 27, 2011
7993501 Double contact bar insulator assembly for electrowinning of a metal and methods of use thereof Aug. 9, 2011
7960167 Nanostructured surface for microparticle analysis and manipulation Jun. 14, 2011
7943671 Formation of an emulsion in a fluid microsystem May. 17, 2011
7935236 Electro-osmotic pulse (EOP) treatment method May. 3, 2011
7901547 Electrical device for impeding corrosion Mar. 8, 2011
7892407 System and sub-systems for production and use of hydrogen Feb. 22, 2011
7879205 Hydrogen generating apparatus, fuel cell power generation system, method of controlling hydrogen generating quantity and recorded medium recorded program performing the same Feb. 1, 2011
7862693 Apparatus for plating semiconductor wafers Jan. 4, 2011
7850831 Method and apparatus for electrochemical machining Dec. 14, 2010
7842169 Method and apparatus for local polishing control Nov. 30, 2010
7794581 Process for the surface treatment of a component, and apparatus for the surface treatment of a component Sep. 14, 2010
7736474 Plating apparatus and plating method Jun. 15, 2010
7722746 Self-cleaning chlorine generator with pH control May. 25, 2010
7695613 Inline chlorinator with integral control package and heat dissipation Apr. 13, 2010
7682492 Electrocoagulation system Mar. 23, 2010
7674358 Method and apparatus for hydrogen generation Mar. 9, 2010
7658824 Electrolytic sanitiser generator Feb. 9, 2010
7645364 Apparatus and method for plating semiconductor wafers Jan. 12, 2010
7608446 Nanostructured surface for microparticle analysis and manipulation Oct. 27, 2009
7605326 Solar electrolysis power co-generation system Oct. 20, 2009
7566390 Wafer support apparatus for electroplating process and method for using the same Jul. 28, 2009
7560017 Methods and apparatus for electrically detecting characteristics of a microelectronic substrate and/or polishing medium Jul. 14, 2009
7550068 Wireless electrolytic cell monitoring powered by ultra low bus voltage Jun. 23, 2009
7507323 Self-cleaning chlorine generator with pH control Mar. 24, 2009
7504016 Method and system for controlling addition of powdery materials into the bath of an electrolysis cell for the production of aluminium Mar. 17, 2009

1 2 3

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