Locking of axial insertion type blades by other means

Locking of axial insertion type blades by other means · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF01D5/326
Official title{Locking of axial insertion type blades by other means}
Display labelLocking of axial insertion type blades by other means
Total patents251

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201521
201636
201732
201833
201929
202028
202116
202212
20239
202421
202512
20262

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC F01D5/326?
CPC F01D5/326 is the Cooperative Patent Classification code for “Locking of axial insertion type blades by other means.”
How many patents are filed under CPC F01D5/326 (Locking of axial insertion type blades by other means)?
Our database includes 251 publications tagged with this CPC code.
Is patent activity under CPC F01D5/326 growing?
Publication counts under this code: 21 in 2024 vs 12 in 2025 (latest complete years).