Domestic or like local pipe systems (domestic plumbing E03C1/02)

Domestic or like local pipe systems (domestic plumbing E03C1/02) · 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 codeE03B7/04
Official titleDomestic or like local pipe systems (domestic plumbing E03C1/02)
Display labelDomestic or like local pipe systems (domestic plumbing E03C1/02)
Total patents56

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20164
20173
20185
20191
20208
20214
20225
20235
20248
20259
20264

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 E03B7/04?
CPC E03B7/04 is the Cooperative Patent Classification code for “Domestic or like local pipe systems (domestic plumbing E03C1/02).”
How many patents are filed under CPC E03B7/04 (Domestic or like local pipe systems (domestic plumbing E03C1/02))?
Our database includes 56 publications tagged with this CPC code.
Is patent activity under CPC E03B7/04 growing?
Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).