having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers

having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers · 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 codeF02F2001/006
Official title{having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers}
Display labelhaving a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers
Total patents61

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20152
20169
20177
20184
20193
20204
20218
20224
20236
20247
20257

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 F02F2001/006?
CPC F02F2001/006 is the Cooperative Patent Classification code for “having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers.”
How many patents are filed under CPC F02F2001/006 (having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers)?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC F02F2001/006 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).