Slots having a variable section along their length

Slots having a variable section along their length · 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 codeF16F9/3465
Official title{Slots having a variable section along their length}
Display labelSlots having a variable section along their length
Total patents29

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
20172
20184
20193
20204
20214
20222
20235
20242
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 F16F9/3465?
CPC F16F9/3465 is the Cooperative Patent Classification code for “Slots having a variable section along their length.”
How many patents are filed under CPC F16F9/3465 (Slots having a variable section along their length)?
Our database includes 29 publications tagged with this CPC code.
Is patent activity under CPC F16F9/3465 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).