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DIFF Subgroup
A24F 9/12

Devices for cleaning tobacco pipes by steam, air, or water

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Accessories for smokers' pipes > Cleaning devices for pipes > Devices for cleaning tobacco pipes by steam, air, or water

CPC:

Accessories for smokers' pipes > Cleaning devices for pipes (combined with pipes A24F3/02) > Devices for cleaning tobacco pipes by steam, air, or water

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class A24,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIP MORRIS PRODUCTS CH 13,201
  2. NICOVENTURES TRADING GB 7,482
  3. KT & G CORPORATION KR 4,818
  4. JAPAN TOBACCO JP 4,636
  5. JT INTERNATIONAL CH 3,806
  6. CHINA TOBACCO YUNNAN INDUSTRIAL COMPANY 2,490
  7. CHINA TOBACCO HENAN INDUSTRIAL 2,453
  8. CHINA TOBACCO HUBEI INDUSTRIAL 2,344
  9. BRITISH AMERICAN TOBACCO (INVESTMENTS) GB 2,199
  10. SHENZHEN FIRST UNION TECHNOLOGY COMPANY 2,097

Top Applicants (CPC)

Class A24,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIP MORRIS PRODUCTS CH 13,994
  2. NICOVENTURES TRADING GB 7,744
  3. KT & G CORPORATION KR 4,857
  4. JAPAN TOBACCO JP 4,561
  5. JT INTERNATIONAL CH 3,946
  6. BRITISH AMERICAN TOBACCO (INVESTMENTS) GB 2,374
  7. ALTRIA CLIENT SERVICES US 2,122
  8. RAI STRATEGIC HOLDINGS US 2,061
  9. NICOVENTURES TRADING 1,940
  10. PHILIP MORRIS PRODUCTS 1,855