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DIFF Main Group
A21B 3/00

Parts or accessories of ovens

Introduced: September 1968

Of 10 combined children, 8 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • A21B 3/003 CPC only CPC only
  • A21B 3/006 CPC only CPC only
  • A21B 3/02 Doors; Flap gates IPC+CPC Available in IPC and CPC
  • A21B 3/04 Air-treatment devices for ovens, e.g. regulating humidity IPC+CPC Available in IPC and CPC
  • A21B 3/07 Charging or discharging ovens (A21B3/18 takes precedence) IPC+CPC Available in IPC and CPC
  • A21B 3/10 Means for illuminating ovens IPC+CPC Available in IPC and CPC
  • A21B 3/16 Machines for cleaning or greasing baking surfaces IPC+CPC Available in IPC and CPC
  • A21B 3/18 Discharging baked goods from tins IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A21,2013–2023, worldwide · Source: EPO PATSTAT

  1. KVASENKOV OLEG IVANOVICH RU 482
  2. JOYOUNG COMPANY 322
  3. HAAS FOOD EQUIPMENT AT 307
  4. GENERAL MILLS US 304
  5. ADEKA CORPORATION 207
  6. JIANGNAN UNIVERSITY 196
  7. NOVOZYMES DK 186
  8. INTERCONTINENTAL GREAT BRANDS (KRAFT FOODS) US 181
  9. NESTEC CH 177
  10. NESTLE CH 171

Top Applicants (CPC)

Class A21,2013–2023, worldwide · Source: EPO PATSTAT

  1. GENERAL MILLS US 346
  2. HAAS FOOD EQUIPMENT AT 330
  3. NESTEC CH 235
  4. NESTLE CH 193
  5. NOVOZYMES DK 186
  6. CARGILL US 181
  7. PURATOS BE 181
  8. J-OIL MILLS JP 174
  9. INTERCONTINENTAL GREAT BRANDS (KRAFT FOODS) US 173
  10. JIANGNAN UNIVERSITY 169