PatentsDB

using blow off silencers

using blow off silencers · 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 codeF04B39/0083
Official title{using blow off silencers}
Display labelusing blow off silencers
Total patents57

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
20151
20161
20173
20181
20196
20207
20218
20229
20238
20249
20254

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 F04B39/0083?
CPC F04B39/0083 is the Cooperative Patent Classification code for “using blow off silencers.”
How many patents are filed under CPC F04B39/0083 (using blow off silencers)?
Our database includes 57 publications tagged with this CPC code.
Is patent activity under CPC F04B39/0083 growing?
Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).