CPC Subgroup Additional Only
F05D 2270/70 Type of control algorithm
Full Title
Control > Type of control algorithm
Filing statistics
CPC F05D 2270/70 belongs to the parent subclass F05D, which recorded 129,755 patent applications worldwide between 2013 and 2023. Annual filings declined from 11,710 in 2013 to 7,840 in 2023 (-33%), peaking at 14,062 applications in 2016. 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
10 direct subcodes
Child Classifications
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- F05D 2270/701 proportional
- F05D 2270/702 differential
- F05D 2270/703 integral
- F05D 2270/704 proportional-differential
- F05D 2270/705 proportional-integral
- F05D 2270/706 proportional-integral-differential
- F05D 2270/707 fuzzy logic
- F05D 2270/708 with comparison tables
- F05D 2270/709 with neural networks
- F05D 2270/71 synthesized, i.e. parameter computed by a mathematical model
Top Applicants
Top 10 applicants by patent filingsfor class F05, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 12,002
- UNITED TECHNOLOGIES CORPORATION (UTC) US 8,736
- SAFRAN AIRCRAFT ENGINES FR 6,804
- RAYTHEON TECHNOLOGIES CORPORATION US 4,530
- SIEMENS DE 4,371
- GE (GENERAL ELECTRIC COMPANY) 3,686
- ROLLS-ROYCE GB 3,594
- PRATT & WHITNEY CANADA CORPORATION CA 3,415
- VESTAS DK 3,076
- WOBBEN PROPERTIES DE 2,614