Vaporizer improvements
US-2026034316-A1 · Feb 5, 2026 · US
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Devices for cleaning tobacco pipes by steam, air, or water
Devices for cleaning tobacco pipes by steam, air, or water · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A24F9/12 |
| Official title | Devices for cleaning tobacco pipes by steam, air, or water |
| Display label | Devices for cleaning tobacco pipes by steam, air, or water |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2022 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Devices for vaporization of compounds comprising an oxygen detection mechanism upstream of the vaporization chamber and vaporization device with chopping element internal to the vaporization chamber
US-12390604-B2 · Aug 19, 2025 · US
Vaporizer improvements
US-2022296824-A1 · Sep 22, 2022 · US
Vaporizer improvements
US-11351315-B2 · Jun 7, 2022 · US
Vaporizer improvements
US-2019174833-A1 · Jun 13, 2019 · US