Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties

Introduced: September 1968

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

Navigate with arrow keys, Enter to open

H01F 1/0009 CPC only CPC only
H01F 1/0018 CPC only CPC only
H01F 1/0027 CPC only CPC only
H01F 1/0036 +3 CPC CPC only CPC only
H01F 1/01 of inorganic materials (H01F1/44 takes precedence) since 1995 +1 CPC IPC+CPC Available in IPC and CPC
H01F 1/42 of organic or organo-metallic materials (H01F1/44 takes precedence) since 1995 IPC+CPC Available in IPC and CPC
H01F 1/44 of magnetic liquids, e.g. ferrofluids (particles in a bonding agent H01F1/28, H01F1/36, ) since 1995 +3 CPC IPC+CPC Available in IPC and CPC