Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 204/159.18
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
Method and system for coordinating client and host security modules
Light-emitting device package and method of manufacturing the same
Catalyst and process of hydrocarbon feedstock reformation to hydrogen and carbon monoxide
Method and apparatus for complementing an instrument panel by utilizing augmented reality
Information-provision control method, information reproduction system, information-provision apparatus, information reproduction apparatus and information-presentation control program
Micro positioning test socket and methods for active precision alignment and co-planarity feedback
Single mode optical fiber with improved bend performance
  Randomly Featured Patents
Fast response current regulator for DC power supply
Actuatable dosing mechanism
Method and system for determining state-of-health of a lead-acid defibrillator battery using an intelligent system
Marked precoated strings and method of manufacturing same
Total structural risk model
Projection optical system, exposure system, and exposure method
Combined calendar clock radio with light
Liquid droplet ejecting head bar, liquid droplet ejecting device, and liquid droplet ejecting head bar manufacturing method
Multiple facet gemstone
Anode active material, method of preparing the same, and anode and lithium battery containing the material