Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons

Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons · 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 codeE04H3/00
Official titleBuildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
Display labelBuildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
Total patents56

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
20161
20172
201811
20195
202011
20219
20224
20234
20246
20253

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 E04H3/00?
CPC E04H3/00 is the Cooperative Patent Classification code for “Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons.”
How many patents are filed under CPC E04H3/00 (Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons)?
Our database includes 56 publications tagged with this CPC code.
Is patent activity under CPC E04H3/00 growing?
Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).