Devices for testing or checking {; Tools for adjustment of sights}

Devices for testing or checking {; Tools for adjustment of sights} · 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 codeF41G1/54
Official titleDevices for testing or checking {; Tools for adjustment of sights}
Display labelDevices for testing or checking {; Tools for adjustment of sights}
Total patents47

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
20157
20166
20175
20183
20196
20206
20212
20224
20234
20243
20251

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 F41G1/54?
CPC F41G1/54 is the Cooperative Patent Classification code for “Devices for testing or checking {; Tools for adjustment of sights}.”
How many patents are filed under CPC F41G1/54 (Devices for testing or checking {; Tools for adjustment of sights})?
Our database includes 47 publications tagged with this CPC code.
Is patent activity under CPC F41G1/54 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).