which creates an oscillating water column

which creates an oscillating water column · 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 codeF03B13/142
Official title{which creates an oscillating water column}
Display labelwhich creates an oscillating water column
Total patents114

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
20152
20161
20173
20181
20193
202014
20216
202217
202318
202419
202522
20268

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 F03B13/142?
CPC F03B13/142 is the Cooperative Patent Classification code for “which creates an oscillating water column.”
How many patents are filed under CPC F03B13/142 (which creates an oscillating water column)?
Our database includes 114 publications tagged with this CPC code.
Is patent activity under CPC F03B13/142 growing?
Publication counts under this code: 19 in 2024 vs 22 in 2025 (latest complete years).