Screw-threaded joints; Forms of screw-threads for such joints

Screw-threaded joints; Forms of screw-threads for such joints · 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 codeF16L15/00
Official titleScrew-threaded joints; Forms of screw-threads for such joints
Display labelScrew-threaded joints; Forms of screw-threads for such joints
Total patents144

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
201522
201620
201716
201814
201916
202014
202111
202214
20238
20246
20252
20261

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 F16L15/00?
CPC F16L15/00 is the Cooperative Patent Classification code for “Screw-threaded joints; Forms of screw-threads for such joints.”
How many patents are filed under CPC F16L15/00 (Screw-threaded joints; Forms of screw-threads for such joints)?
Our database includes 144 publications tagged with this CPC code.
Is patent activity under CPC F16L15/00 growing?
Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).