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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F04F 5/44

Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42

Introduced: September 1968

Title

Titles differ between systems:

IPC: Component parts, details, or accessories not provided for in, or of interest apart from, groups

CPC: Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42

Full Title

Full titles differ between systems:

IPC:

Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow > Component parts, details, or accessories not provided for in, or of interest apart from, groups

CPC:

Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow (diffusion pumps F04F9/00; combination of jet pumps with pumps of other than jet type F04B; use of jet pumps for priming or boosting non-positive-displacement pumps F04D) > Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class F04,2013–2023, worldwide · Source: EPO PATSTAT

  1. GREE ELECTRIC APPLIANCES 5,351
  2. LG ELECTRONICS KR 3,502
  3. ROBERT BOSCH DE 3,011
  4. MIDEA 2,258
  5. MITSUBISHI ELECTRIC CORPORATION JP 1,663
  6. ZHUHAI LANDA COMPRESSOR COMPANY 1,639
  7. GREE ELECTRIC APPLIANCES, INC.OF ZHUHAI 1,573
  8. ZHUHAI GREE ENERGY-SAVING REFRIGERATION TECHNOLOGY RESEARCH CENTER COMPANY 1,536
  9. TOYOTA INDUSTRIES CORPORATION 1,347
  10. DAIKIN INDUSTRIES 1,325

Top Applicants (CPC)

Class F04,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 3,855
  2. ROBERT BOSCH DE 3,549
  3. GREE ELECTRIC APPLIANCES 2,273
  4. GE (GENERAL ELECTRIC COMPANY) US 2,126
  5. MITSUBISHI ELECTRIC CORPORATION JP 1,881
  6. UNITED TECHNOLOGIES CORPORATION (UTC) US 1,866
  7. SAFRAN AIRCRAFT ENGINES FR 1,499
  8. MITSUBISHI HEAVY INDUSTRIES JP 1,258
  9. TOYOTA INDUSTRIES CORPORATION JP 1,247
  10. ATLAS COPCO AIRPOWER BE 1,168