B43K 8/02 with writing-points comprising fibres, felt, or similar porous or capillary material (B43K8/22 takes precedence)
Introduced: July 1974
Title
Titles differ between systems:
IPC: with writing-points comprising fibres, felt, or similar porous or capillary material
CPC: with writing-points comprising fibres, felt, or similar porous or capillary material (B43K8/22 takes precedence)
Full Title
Full titles differ between systems:
Pens with writing-points other than nibs or balls > with writing-points comprising fibres, felt, or similar porous or capillary material
Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00) > with writing-points comprising fibres, felt, or similar porous or capillary material (B43K8/22 takes precedence)
CPC subdivides this area 3x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
Navigate with arrow keys, Enter to open
- B43K 8/04 Arrangements for feeding ink to writing-points since 1990 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B43,2013–2023, worldwide · Source: EPO PATSTAT
- PILOT CORPORATION 1,100
- MITSUBISHI PENCIL COMPANY 818
- SOCIETE BIC FR 380
- MITSUBISHI PENCIL COMPANY JP 371
- PILOT CORPORATION JP 273
- DELI GROUP COMPANY 249
- SHANGHAI M&G STATIONERY 176
- PENTEL 169
- ZEBRA PEN CORPORATION 153
- GUANGZHOU SHIRUI ELECTRICAL TECHNOLOGY COMPANY 124
Top Applicants (CPC)
Class B43,2013–2023, worldwide · Source: EPO PATSTAT
- SOCIETE BIC FR 422
- MITSUBISHI PENCIL COMPANY JP 381
- PILOT CORPORATION JP 299
- MITSUBISHI PENCIL COMPANY 213
- PILOT CORPORATION 100
- WACOM COMPANY JP 89
- STAEDTLER MARS & COMPANY DE 87
- KOTOBUKI JP 82
- CRAYOLA US 78
- SANFORD US 73