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DIFF Main Group
F28G 15/00

Details (measuring thickness of deposit G01B)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details

CPC: Details (measuring thickness of deposit G01B)

Full Title

Full titles differ between systems:

IPC:

Details

CPC:

Details (measuring thickness of deposit G01B)

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

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

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F28G 15/003 CPC only CPC only
  • F28G 15/02 Supports for cleaning appliances, e.g. frames IPC+CPC Available in IPC and CPC
  • F28G 15/08 Locating position of cleaning appliances within conduits IPC+CPC Available in IPC and CPC
  • F28G 15/10 Masks for delimiting area to be cleaned IPC+CPC Available in IPC and CPC
  • F28G 2015/006 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class F28,2013–2023, worldwide · Source: EPO PATSTAT

  1. VALEO SYSTEMES THERMIQUES FR 1,902
  2. MITSUBISHI ELECTRIC CORPORATION JP 1,327
  3. GREE ELECTRIC APPLIANCES 1,152
  4. MAHLE INTERNATIONAL DE 999
  5. ALFA LAVAL SE 960
  6. HANON SYSTEMS KR 917
  7. DENSO CORPORATION 905
  8. DENSO CORPORATION JP 802
  9. CHINESE ACADEMY OF SCIENCES 787
  10. XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 762

Top Applicants (CPC)

Class F28,2013–2023, worldwide · Source: EPO PATSTAT

  1. VALEO SYSTEMES THERMIQUES FR 1,945
  2. MITSUBISHI ELECTRIC CORPORATION JP 1,518
  3. MAHLE INTERNATIONAL DE 1,120
  4. ALFA LAVAL SE 1,085
  5. HANON SYSTEMS KR 939
  6. DENSO CORPORATION JP 900
  7. LG ELECTRONICS KR 861
  8. HAMILTON SUNDSTRAND US 795
  9. DAIKIN INDUSTRIES JP 608
  10. DENSO CORPORATION 537