What is CPC B62K5/05?

CPC B62K5/05 is the Cooperative Patent Classification code for “characterised by a single rear wheel.”

How many patents are filed under CPC B62K5/05 (characterised by a single rear wheel)?

Our database includes 396 publications tagged with this CPC code.

Publication counts under this code: 22 in 2024 vs 12 in 2025 (latest complete years).

characterised by a single rear wheel · 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	B62K5/05
Official title	characterised by a single rear wheel
Display label	characterised by a single rear wheel
Total patents	396

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 B62K5/05?: CPC B62K5/05 is the Cooperative Patent Classification code for “characterised by a single rear wheel.”
How many patents are filed under CPC B62K5/05 (characterised by a single rear wheel)?: Our database includes 396 publications tagged with this CPC code.
Is patent activity under CPC B62K5/05 growing?: Publication counts under this code: 22 in 2024 vs 12 in 2025 (latest complete years).