Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 204/197
Name: Chemistry: electrical and wave energy >
Description:


Sub-classes under this class:

Class Number Class Name Patents
204/ Processes and products 0
204/ Apparatus (204/193) 0
204/193 Apparatus 111
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 68
204/DIG.5 Magnetic plus electrolytic 42
204/DIG.6 Unusual non-204 uses of electrolysis 27
204/DIG.7 Current distribution within the bath 148
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
Shoe
Memory controller and data processing system
Image processing system having management apparatus with processing section
Network support for secure caller ID
Rotating cushion for a tubing clamp
Method and apparatus for storing or transmitting coding parameters separately from coded audio-visual data
Method and apparatus for persistent connections to a device through the use of multiple physical network connections and connection hand-offs between multiple bands, modes and networks
  Randomly Featured Patents
Adjustable retail store checkout stand, and arrangements
Weak coupling bridge for optical fiber cores
Novelty candle support base
Transmitting apparatus and method, receiving apparatus and method
Azimuth brake for wind power systems
Stylus grinding device for video disc player
Conditionally nonblocking switch of the unimodal-circular type
Method for dynamically establishing logical link in PON systems and an optical network unit for the method
Identifiabre projectire
Motorcycle stool