in a closed cavity

in a closed cavity · 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 codeF01D5/088
Official title{in a closed cavity}
Display labelin a closed cavity
Total patents56

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
20157
201611
20177
20189
20198
20205
20211
20224
20232
20242

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 F01D5/088?
CPC F01D5/088 is the Cooperative Patent Classification code for “in a closed cavity.”
How many patents are filed under CPC F01D5/088 (in a closed cavity)?
Our database includes 56 publications tagged with this CPC code.
Is patent activity under CPC F01D5/088 growing?
Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).