What is CPC F16D3/841?

CPC F16D3/841 is the Cooperative Patent Classification code for “Open covers, e.g. guards for agricultural p.t.o. shafts.”

How many patents are filed under CPC F16D3/841 (Open covers, e.g. guards for agricultural p.t.o. shafts)?

Our database includes 53 publications tagged with this CPC code.

Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).

Open covers, e.g. guards for agricultural p.t.o. shafts · 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	F16D3/841
Official title	{Open covers, e.g. guards for agricultural p.t.o. shafts}
Display label	Open covers, e.g. guards for agricultural p.t.o. shafts
Total patents	53

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

Filing activity over the last five years is 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 F16D3/841?: CPC F16D3/841 is the Cooperative Patent Classification code for “Open covers, e.g. guards for agricultural p.t.o. shafts.”
How many patents are filed under CPC F16D3/841 (Open covers, e.g. guards for agricultural p.t.o. shafts)?: Our database includes 53 publications tagged with this CPC code.
Is patent activity under CPC F16D3/841 growing?: Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).