by using form fitting connection, e.g. with tongue and groove

by using form fitting connection, e.g. with tongue and groove · 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 codeF28F2275/14
Official titleby using form fitting connection, e.g. with tongue and groove
Display labelby using form fitting connection, e.g. with tongue and groove
Total patents151

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
20154
201611
201716
201811
201919
202017
202116
202217
202317
202414
20257
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 F28F2275/14?
CPC F28F2275/14 is the Cooperative Patent Classification code for “by using form fitting connection, e.g. with tongue and groove.”
How many patents are filed under CPC F28F2275/14 (by using form fitting connection, e.g. with tongue and groove)?
Our database includes 151 publications tagged with this CPC code.
Is patent activity under CPC F28F2275/14 growing?
Publication counts under this code: 14 in 2024 vs 7 in 2025 (latest complete years).