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IPC 7
H05F-H05F00700

SECTION H – ELECTRICITY


H 05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR


H 05 FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY (electrostatic machines H02N; uses of electricity in performing operations, e.g. precipitation, see the relevant subclasses for the operations)


Notes

(1)This subclass covers methods or arrangements for preventing the formation of electrostatic charges on bodies or for carrying-off these charges after their formation.

(2)This subclass does not cover specific applications of the above-mentioned methods or arrangements. Such arrangements are covered by the relevant subclasses, e.g. arrangements in large containers B65D 90/46.



1/

00Preventing the formation of electrostatic charges

1/

02.by surface treatment


3/

00Carrying-off electrostatic charges (from living beings A61N 1/14)

3/

02.by means of earthing connections

3/

04.by means of spark gaps or other discharge devices (devices providing for corona discharge H01T 19/00)  [2]

3/

06.by means of ionising radiation


7/

00Use of naturally-occurring electricity


  
 

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