DIFF Main Group
B43K 8/00 Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Pens with writing-points other than nibs or balls
CPC: Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00)
Full Title
Full titles differ between systems:
IPC:
Pens with writing-points other than nibs or balls
CPC:
Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B11/00)
Of 8 combined children, 6 exist in both systems.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- B43K 8/02 with writing-points comprising fibres, felt, or similar porous or capillary material (B43K8/22 takes precedence) since 1974 +4 CPC IPC+CPC Available in IPC and CPC
- B43K 8/16 with tubular writing-points comprising a movable cleaning element since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- B43K 8/22 with electrically or magnetically activated writing-points since 1990 IPC+CPC Available in IPC and CPC
- B43K 8/24 characterised by the means for retracting 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