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DIFF Subgroup
B65B 51/10

Applying or generating heat or pressure or combinations thereof

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Devices for, or methods of, sealing or securing package folds or closures, e.g. twisted bag necks > Applying or generating heat or pressure or combinations thereof

CPC:

Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags > Applying or generating heat or pressure or combinations thereof

Of 9 combined children, 8 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B65B 2051/105 2nd only CPC only CPC only
  • B65B 51/12 by resilient means, e.g. brushes IPC+CPC Available in IPC and CPC
  • B65B 51/16 by rotary members IPC+CPC Available in IPC and CPC
  • B65B 51/18 by endless bands or chains IPC+CPC Available in IPC and CPC
  • B65B 51/20 by fluid pressure acting directly on folds or on opposed surfaces, e.g. using hot-air jets (shrinking wrappers by heating B65B53/02) IPC+CPC Available in IPC and CPC
  • B65B 51/24 to produce bead seals (combined with severing by heated wires or rods B65B61/10) 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