What is CPC B62K3/04?

CPC B62K3/04 is the Cooperative Patent Classification code for “having a substantially horizontal top bar.”

How many patents are filed under CPC B62K3/04 (having a substantially horizontal top bar)?

Our database includes 66 publications tagged with this CPC code.

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

having a substantially horizontal top bar · 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	B62K3/04
Official title	having a substantially horizontal top bar
Display label	having a substantially horizontal top bar
Total patents	66

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 B62K3/04?: CPC B62K3/04 is the Cooperative Patent Classification code for “having a substantially horizontal top bar.”
How many patents are filed under CPC B62K3/04 (having a substantially horizontal top bar)?: Our database includes 66 publications tagged with this CPC code.
Is patent activity under CPC B62K3/04 growing?: Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).