Hollow panels

Hollow panels · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB23K2101/045
Official title{Hollow panels}
Display labelHollow panels
Total patents112

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20154
20169
20175
201812
201916
202012
20218
20228
202316
202410
202511
20261

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 B23K2101/045?
CPC B23K2101/045 is the Cooperative Patent Classification code for “Hollow panels.”
How many patents are filed under CPC B23K2101/045 (Hollow panels)?
Our database includes 112 publications tagged with this CPC code.
Is patent activity under CPC B23K2101/045 growing?
Publication counts under this code: 10 in 2024 vs 11 in 2025 (latest complete years).