Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 204/141.5
Name: Chemistry: electrical and wave energy >

Sub-classes under this class:

Class Number Class Name Patents
204/ Processes and products 0
204/ Apparatus (204/193) 0
204/193 Apparatus 149
204/900 Effecting a change in isomerization by wave energy 22
204/901 Effecting a color change by wave energy 10
204/902 Production of desired compound by wave energy in presence of a chemically designated nonreactant chemical treating agent (excluding water, chloroform, carbon tetrachloride, methylene chloride or benzene) 9
204/DIG.12 Electrochemical machining 4
204/DIG.13 Purification and treatment of electroplating baths and plating wastes 162
204/DIG.3 Auxiliary internally generated electrical energy 63
204/DIG.4 Electrolysis cell combined with fuel cell 69
204/DIG.5 Magnetic plus electrolytic 43
204/DIG.6 Unusual non-204 uses of electrolysis 27
204/DIG.7 Current distribution within the bath 157
204/DIG.8 Ac plus dc 28
204/DIG.9 Wave forms 142

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Electrowetting display devices with a reflective plate structure
Photovoltaic system with integrated photovoltaic panel and battery
Hydrogenolysis of ethyl acetate in alcohol separation processes
System and method for deposition in high aspect ratio magnetic writer heads
Quantitative sleep analysis system and method
Apparatus and methods for color displays
  Randomly Featured Patents
Method and base station for allocating pseudo noise code
Method of automatic focussing by digital analysis of the contours of an image
Generation and data management of a medical study using instruments in an integrated media and medical system
Method for producing high dimensional precision composite elements using ionization polymerization and elements produced by said method
Semiconductor testing device
Positioning mechanism for positioning auxiliary optical device relative to main optical device and the auxiliary optical device
Detection of disordered breathing
Piperazine-piperidines with CXCR3 antagonist activity
Computer telephony integration (CTI) systems and methods for enhancing school safety
Apparatus for performing fluorescent assays which separates bulk and evanescent fluorescence