Linings; Jackets; Casings

Linings; Jackets; Casings · 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 codeF23J13/02
Official titleLinings; Jackets; Casings
Display labelLinings; Jackets; Casings
Total patents44

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20156
20161
20175
20184
201910
20202
20212
20223
20233
20241
20255
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 F23J13/02?
CPC F23J13/02 is the Cooperative Patent Classification code for “Linings; Jackets; Casings.”
How many patents are filed under CPC F23J13/02 (Linings; Jackets; Casings)?
Our database includes 44 publications tagged with this CPC code.
Is patent activity under CPC F23J13/02 growing?
Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).