H01F 27/422 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H01F 27/422

Full Title

Details of transformers or inductances, in general > Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils (circuits for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output H02P13/00; impedance networks H03H)

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

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