using nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)}

using nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)} · 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 codeF02K9/86
Official titleusing nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)}
Display labelusing nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)}
Total patents36

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
20151
20165
20172
20184
20192
20209
20212
20222
20244
20255

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 F02K9/86?
CPC F02K9/86 is the Cooperative Patent Classification code for “using nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)}.”
How many patents are filed under CPC F02K9/86 (using nozzle throats of adjustable cross- section {(F02K9/978 takes precedence)})?
Our database includes 36 publications tagged with this CPC code.
Is patent activity under CPC F02K9/86 growing?
Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).