made of units composed of a mixture of materials covered by two or more of groups {E01C5/008} , E01C5/02 - E01C5/20 {except embedded reinforcing materials}

made of units composed of a mixture of materials covered by two or more of groups {E01C5/008} , E01C5/02 - E01C5/20 {except embedded reinforcing materials} · 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 codeE01C5/22
Official titlemade of units composed of a mixture of materials covered by two or more of groups {E01C5/008} , E01C5/02 - E01C5/20 {except embedded reinforcing materials}
Display labelmade of units composed of a mixture of materials covered by two or more of groups {E01C5/008} , E01C5/02 - E01C5/20 {except embedded reinforcing materials}
Total patents30

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20163
20175
20186
20194
20205
20213
20231
20242
20251

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 E01C5/22?
CPC E01C5/22 is the Cooperative Patent Classification code for “made of units composed of a mixture of materials covered by two or more of groups {E01C5/008} , E01C5/02 - E01C5/20 {except embedded reinforcing materials}.”
How many patents are filed under CPC E01C5/22 (made of units composed of a mixture of materials covered by two or more of groups {E01C5/008} , E01C5/02 - E01C5/20 {except embedded reinforcing materials})?
Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC E01C5/22 growing?
Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).