What is CPC B03C1/286?

CPC B03C1/286 is the Cooperative Patent Classification code for “disposed at the inner circumference of a recipient, e.g. magnetic drain bolt.”

How many patents are filed under CPC B03C1/286 (disposed at the inner circumference of a recipient, e.g. magnetic drain bolt)?

Our database includes 223 publications tagged with this CPC code.

Publication counts under this code: 15 in 2024 vs 20 in 2025 (latest complete years).

disposed at the inner circumference of a recipient, e.g. magnetic drain bolt · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B03C1/286
Official title	{disposed at the inner circumference of a recipient, e.g. magnetic drain bolt}
Display label	disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
Total patents	223

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

Filing activity over the last five years is growing.

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 B03C1/286?: CPC B03C1/286 is the Cooperative Patent Classification code for “disposed at the inner circumference of a recipient, e.g. magnetic drain bolt.”
How many patents are filed under CPC B03C1/286 (disposed at the inner circumference of a recipient, e.g. magnetic drain bolt)?: Our database includes 223 publications tagged with this CPC code.
Is patent activity under CPC B03C1/286 growing?: Publication counts under this code: 15 in 2024 vs 20 in 2025 (latest complete years).