Supports or connecting means for sky-lights of flat or domed shape

Supports or connecting means for sky-lights of flat or domed shape · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeE04D13/0305
Official title{Supports or connecting means for sky-lights of flat or domed shape}
Display labelSupports or connecting means for sky-lights of flat or domed shape
Total patents35

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20163
20181
20193
20204
20218
20221
20235
20242
20258

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 E04D13/0305?
CPC E04D13/0305 is the Cooperative Patent Classification code for “Supports or connecting means for sky-lights of flat or domed shape.”
How many patents are filed under CPC E04D13/0305 (Supports or connecting means for sky-lights of flat or domed shape)?
Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC E04D13/0305 growing?
Publication counts under this code: 2 in 2024 vs 8 in 2025 (latest complete years).