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CPC Subgroup Additional Only
F05B 2230/50

Building or constructing in particular ways

Full Title

Manufacture > Building or constructing in particular ways

Filing statistics

CPC F05B 2230/50 belongs to the parent subclass F05B, which recorded 70,983 patent applications worldwide between 2013 and 2023. Annual filings declined from 6,200 in 2013 to 4,349 in 2023 (-30%), peaking at 7,467 applications in 2017. The most active applicants in class F05 are GE (GENERAL ELECTRIC COMPANY) (12,002 applications), UNITED TECHNOLOGIES CORPORATION (UTC) (8,736 applications) and SAFRAN AIRCRAFT ENGINES (6,804 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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  • F05B 2230/502 using existing or "off the shelf" parts, e.g. using standardised turbocharger elements

Top Applicants

Top 10 applicants by patent filingsfor class F05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 12,002
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,736
  3. SAFRAN AIRCRAFT ENGINES FR 6,804
  4. RAYTHEON TECHNOLOGIES CORPORATION US 4,530
  5. SIEMENS DE 4,371
  6. GE (GENERAL ELECTRIC COMPANY) 3,686
  7. ROLLS-ROYCE GB 3,594
  8. PRATT & WHITNEY CANADA CORPORATION CA 3,415
  9. VESTAS DK 3,076
  10. WOBBEN PROPERTIES DE 2,614