with additional mechanism between armature and closure member

with additional mechanism between armature and closure member · 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 codeF16K31/10
Official titlewith additional mechanism between armature and closure member
Display labelwith additional mechanism between armature and closure member
Total patents123

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
20159
201610
201713
201817
201917
202011
20219
202210
202314
202411
20252

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 F16K31/10?
CPC F16K31/10 is the Cooperative Patent Classification code for “with additional mechanism between armature and closure member.”
How many patents are filed under CPC F16K31/10 (with additional mechanism between armature and closure member)?
Our database includes 123 publications tagged with this CPC code.
Is patent activity under CPC F16K31/10 growing?
Publication counts under this code: 11 in 2024 vs 2 in 2025 (latest complete years).