Description
STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY (electrostatic machines H02N; uses of electricity in performing operations, e.g. precipitation, see the relevant subclasses for the operations)
STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY (electrostatic machines H02N; uses of electricity in performing operations, e.g. precipitation, see the relevant subclasses for the operations)
Subclass | Title |
---|---|
1/00 | Preventing the formation of electrostatic charges |
1/02 | Preventing the formation of electrostatic charges by surface treatment |
3/00 | Carrying-off electrostatic charges (from living beings A61N 1/14) |
3/02 | Carrying-off electrostatic charges (from living beings A61N 1/14) by means of earthing connections |
3/04 | Carrying-off electrostatic charges (from living beings A61N 1/14) by means of spark gaps or other discharge devices (devices providing for corona discharge H01T 19/00) |