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DIFF Main Group
B65D 33/00

Details of, or accessories for, sacks or bags

Introduced: September 1968

Additional Content IPC

Sack holders

Of 13 combined children, 6 exist in both systems.

6 codes are CPC-only extensions, 1 exist only in IPC.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B65D 33/001 CPC only CPC only
  • B65D 33/002 CPC only CPC only
  • B65D 33/004 CPC only CPC only
  • B65D 33/005 CPC only CPC only
  • B65D 33/007 CPC only CPC only
  • B65D 33/008 CPC only CPC only
  • B65D 33/01 Ventilation or drainage of bags since 1980 IPC+CPC Available in IPC and CPC
  • B65D 33/02 Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames IPC+CPC Available in IPC and CPC
  • B65D 33/04 Windows or other apertures, e.g. for viewing contents IPC+CPC Available in IPC and CPC
  • B65D 33/14 Suspension means (handles B65D33/06) IPC+CPC Available in IPC and CPC

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