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PCE
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DIFF Subgroup
B29D 30/48

Bead-rings or bead-cores (from wire B21F37/00); Treatment thereof prior to building the tyre

Introduced: January 1985

Title

Titles differ between systems:

IPC: Bead-rings or bead-cores; Treatment thereof prior to building the tyre

CPC: Bead-rings or bead-cores (from wire B21F37/00); Treatment thereof prior to building the tyre

Full Title

Full titles differ between systems:

IPC:

Producing pneumatic or solid tyres or parts thereof > Pneumatic tyres or parts thereof > Bead-rings or bead-cores; Treatment thereof prior to building the tyre

CPC:

Producing pneumatic or solid tyres or parts thereof (producing inner tubes B29D23/24; constructional form of tyres or parts thereof B60C; connection of valves to inflatable elastic bodies B60C29/00; testing of tyres G01M17/02) > Pneumatic tyres or parts thereof > Bead-rings or bead-cores (from wire B21F37/00); Treatment thereof prior to building the tyre

CPC subdivides this area 8x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

Note: 7 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B29D 2030/481 2nd only CPC only CPC only
  • B29D 2030/482 2nd only CPC only CPC only
  • B29D 2030/483 2nd only CPC only CPC only
  • B29D 2030/485 2nd only CPC only CPC only
  • B29D 2030/486 2nd only CPC only CPC only
  • B29D 2030/487 2nd only CPC only CPC only
  • B29D 2030/488 2nd only CPC only CPC only
  • B29D 30/50 Covering, e.g. by winding, the separate bead-rings or bead-cores with textile material, e.g. with flipper strips (folding textile layers around bead-rings or bead-cores B29D30/18, B29D30/32; jointly covering bead-rings or bead cores B29D30/34) since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
  2. BOEING COMPANY US 3,087
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
  4. SUMITOMO RUBBER IND 1,784
  5. GE (GENERAL ELECTRIC COMPANY) US 1,663
  6. CANON 1,658
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
  8. TORAY INDUSTRIES JP 1,555
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
  10. LG CHEM KR 1,415

Top Applicants (CPC)

Class B29,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
  2. BOEING COMPANY US 3,701
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
  5. TORAY INDUSTRIES JP 2,133
  6. GE (GENERAL ELECTRIC COMPANY) US 2,069
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
  8. LG CHEM KR 1,962
  9. DOW GLOBAL TECHNOLOGIES US 1,896
  10. CONTINENTAL REIFEN DE 1,725