Chemistry: Electrical And Wave Energy Patents (Class 204)
- Electrical, or wave energy in magnetic field (Class 204/155)
- Processes of treating materials by wave energy (Class 204/157.15)
- Electrostatic field or electrical discharge (Class 204/164)
- Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere (Class 204/450)
- Electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation) (Class 204/554)
- Coating, forming or etching by sputtering (Class 204/192.1)
- Vacuum arc discharge coating (Class 204/192.38)
- Electrolytic (Class 204/194)
- Coating, forming or etching by sputtering (Class 204/298.01)
- Vacuum arc discharge coating (Class 204/298.41)
- Electrophoretic or electro-osmotic apparatus (Class 204/600)
- Apparatus for electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation) (Class 204/660)
Cross-Reference Art Collections
- Inorganic chemical treating agent (Class 204/903)
- Silicon or boron treating agent (Class 204/907)
- Phosphorus treating agent (Class 204/908)
- Heavy metal treating agent (Class 204/909)
- Sulfur treating agent (Class 204/910)
- Nitrogen treating agent (Class 204/911)
- Oxygen treating agent (Class 204/912)
- Only carbon, hydrogen or halogen atom in treating agent (Class 204/914)
