Making or repairing linings {; Increasing the durability of linings; Breaking away linings}

Making or repairing linings {; Increasing the durability of linings; Breaking away linings} · 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 codeF27D1/16
Official titleMaking or repairing linings {; Increasing the durability of linings; Breaking away linings}
Display labelMaking or repairing linings {; Increasing the durability of linings; Breaking away linings}
Total patents46

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
20152
20163
20173
20184
20193
20206
20217
20224
20237
20241
20254
20262

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 F27D1/16?
CPC F27D1/16 is the Cooperative Patent Classification code for “Making or repairing linings {; Increasing the durability of linings; Breaking away linings}.”
How many patents are filed under CPC F27D1/16 (Making or repairing linings {; Increasing the durability of linings; Breaking away linings})?
Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC F27D1/16 growing?
Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).