the inactive cylinders acting as compressor other than for pumping air into the exhaust system

the inactive cylinders acting as compressor other than for pumping air into the exhaust system · 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 codeF02D17/023
Official title{the inactive cylinders acting as compressor other than for pumping air into the exhaust system}
Display labelthe inactive cylinders acting as compressor other than for pumping air into the exhaust system
Total patents44

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
20151
20164
20177
20181
201910
20208
20213
20223
20234
20243

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 F02D17/023?
CPC F02D17/023 is the Cooperative Patent Classification code for “the inactive cylinders acting as compressor other than for pumping air into the exhaust system.”
How many patents are filed under CPC F02D17/023 (the inactive cylinders acting as compressor other than for pumping air into the exhaust system)?
Our database includes 44 publications tagged with this CPC code.
Is patent activity under CPC F02D17/023 growing?
Publication counts under this code: 4 in 2023 vs 3 in 2024 (latest complete years).