Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
H01F 21/00

Variable inductances or transformers of the signal type (H01F36/00 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Variable inductances or transformers of the signal type

CPC: Variable inductances or transformers of the signal type (H01F36/00 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Variable inductances or transformers of the signal type

CPC:

Variable inductances or transformers of the signal type (H01F36/00 takes precedence)

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

  • H01F 21/005 CPC only CPC only