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DIFF Subgroup
B65D 21/02

Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together

Introduced: September 1968

Full Title

Nestable, stackable or joinable containers; Containers of variable capacity > Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together

CPC subdivides this area 2x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions, 2 exist only in IPC.

Child Classifications

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  • B65D 21/0233 CPC only CPC only
  • B65D 21/0234 CPC only CPC only
  • B65D 21/0235 CPC only CPC only
  • B65D 21/0237 CPC only CPC only
  • B65D 21/0238 CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class B65,2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 3,755
  2. SGCC(STATE GRID CORPORATION OF CHINA) 3,721
  3. YOSHINO KOGYOSHO COMPANY 3,659
  4. DNP (DAINIPPON PRINTING COMPANY) 3,573
  5. KRONES DE 3,114
  6. P&G (PROCTER & GAMBLE COMPANY) US 2,777
  7. TOPPAN PRINTING COMPANY 2,720
  8. SEIKO EPSON CORPORATION 2,574
  9. KYOCERA DOCUMENT SOLUTIONS 2,371
  10. RICOH COMPANY 2,349

Top Applicants (CPC)

Class B65,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 3,369
  2. KRONES DE 3,304
  3. TETRA LAVAL HOLDINGS & FINANCE CH 2,227
  4. CANON JP 2,051
  5. AUTOSTORE TECHNOLOGY NO 1,731
  6. GPI (GRAPHIC PACKAGING INTERNATIONAL) US 1,707
  7. CANON 1,693
  8. G.D IT 1,678
  9. MURATA MACHINERY JP 1,664
  10. DAIFUKU COMPANY JP 1,654