What is CPC F41A3/30?

CPC F41A3/30 is the Cooperative Patent Classification code for “Interlocking means, e.g. locking lugs, screw threads.”

How many patents are filed under CPC F41A3/30 (Interlocking means, e.g. locking lugs, screw threads)?

Our database includes 26 publications tagged with this CPC code.

Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).

Interlocking means, e.g. locking lugs, screw threads · Cooperative Patent Classification (CPC)

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

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F41A3/30
Official title	Interlocking means, e.g. locking lugs, screw threads
Display label	Interlocking means, e.g. locking lugs, screw threads
Total patents	26

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

Filing activity over the last five years is rapidly declining.

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

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

What is CPC F41A3/30?: CPC F41A3/30 is the Cooperative Patent Classification code for “Interlocking means, e.g. locking lugs, screw threads.”
How many patents are filed under CPC F41A3/30 (Interlocking means, e.g. locking lugs, screw threads)?: Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC F41A3/30 growing?: Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).