PatentsDB
This page is not indexed by search engines while we improve data quality.

Gas-blowing apparatus, e.g. for tear gas (F41H9/10 takes precedence)

Gas-blowing apparatus, e.g. for tear gas (F41H9/10 takes precedence) · 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 codeF41H9/04
Official titleGas-blowing apparatus, e.g. for tear gas (F41H9/10 takes precedence)
Display labelGas-blowing apparatus, e.g. for tear gas (F41H9/10 takes precedence)
Total patents18

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
20161
20171
20183
20193
20204
20222
20231
20242
20251

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.