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DIFF Main Group
B43K 1/00

Nibs (continuously adjustable nibs B43K17/00); Writing-points (for indicating or recording apparatus G01D15/16)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Nibs; Writing- points

CPC: Nibs (continuously adjustable nibs B43K17/00); Writing-points (for indicating or recording apparatus G01D15/16)

Full Title

Full titles differ between systems:

IPC:

Nibs; Writing- points

CPC:

Nibs (continuously adjustable nibs B43K17/00); Writing-points (for indicating or recording apparatus G01D15/16)

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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  • B43K 1/003 CPC only CPC only
  • B43K 1/006 CPC only CPC only
  • B43K 1/06 Tubular writing-points IPC+CPC Available in IPC and CPC
  • B43K 1/10 Wire nibs IPC+CPC Available in IPC and CPC
  • B43K 1/12 Writing-points comprising fibres; Felt pads IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B43,2013–2023, worldwide · Source: EPO PATSTAT

  1. PILOT CORPORATION 1,100
  2. MITSUBISHI PENCIL COMPANY 818
  3. SOCIETE BIC FR 380
  4. MITSUBISHI PENCIL COMPANY JP 371
  5. PILOT CORPORATION JP 273
  6. DELI GROUP COMPANY 249
  7. SHANGHAI M&G STATIONERY 176
  8. PENTEL 169
  9. ZEBRA PEN CORPORATION 153
  10. GUANGZHOU SHIRUI ELECTRICAL TECHNOLOGY COMPANY 124

Top Applicants (CPC)

Class B43,2013–2023, worldwide · Source: EPO PATSTAT

  1. SOCIETE BIC FR 422
  2. MITSUBISHI PENCIL COMPANY JP 381
  3. PILOT CORPORATION JP 299
  4. MITSUBISHI PENCIL COMPANY 213
  5. PILOT CORPORATION 100
  6. WACOM COMPANY JP 89
  7. STAEDTLER MARS & COMPANY DE 87
  8. KOTOBUKI JP 82
  9. CRAYOLA US 78
  10. SANFORD US 73