the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration

the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF28D7/026
Official title{the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration}
Display labelthe conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration
Total patents39

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20162
20174
20187
20192
20202
20215
20222
20236
20244
20253
20262

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 F28D7/026?
CPC F28D7/026 is the Cooperative Patent Classification code for “the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration.”
How many patents are filed under CPC F28D7/026 (the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC F28D7/026 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).