Vacuum cleaner odor diffusion system
US-2023329502-A1 · Oct 19, 2023 · US
with user-driven air-pumps or compressors · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A47L5/02 |
| Official title | with user-driven air-pumps or compressors |
| Display label | with user-driven air-pumps or compressors |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2023 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023329502-A1 · Oct 19, 2023 · US
US-11647884-B2 · May 16, 2023 · US
US-10722832-B1 · Jul 28, 2020 · US
US-2020037839-A1 · Feb 6, 2020 · US
US-10377007-B2 · Aug 13, 2019 · US
US-10123670-B2 · Nov 13, 2018 · US
US-2018015581-A1 · Jan 18, 2018 · US
US-2018014705-A1 · Jan 18, 2018 · US