obtained by bending a sheet longitudinally and connecting the edges

obtained by bending a sheet longitudinally and connecting the edges · 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 codeF16L9/17
Official titleobtained by bending a sheet longitudinally and connecting the edges
Display labelobtained by bending a sheet longitudinally and connecting the edges
Total patents92

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
20155
20164
201711
201812
201912
202014
202111
202210
20234
20244
20252
20263

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 F16L9/17?
CPC F16L9/17 is the Cooperative Patent Classification code for “obtained by bending a sheet longitudinally and connecting the edges.”
How many patents are filed under CPC F16L9/17 (obtained by bending a sheet longitudinally and connecting the edges)?
Our database includes 92 publications tagged with this CPC code.
Is patent activity under CPC F16L9/17 growing?
Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).