Device and Method for Recovering and Re-Injecting Excess Powder
US-2025206546-A1 · Jun 26, 2025 · US
Preventing escape of dust · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65G69/18 |
| Official title | Preventing escape of dust |
| Display label | Preventing escape of dust |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025206546-A1 · Jun 26, 2025 · US
US-12304725-B2 · May 20, 2025 · US
US-12246926-B2 · Mar 11, 2025 · US
US-2023273342-A1 · Aug 31, 2023 · US
US-2022106123-A1 · Apr 7, 2022 · US
US-2022106106-A1 · Apr 7, 2022 · US
US-11203843-B2 · Dec 21, 2021 · US
US-11186454-B2 · Nov 30, 2021 · US
US-11142352-B2 · Oct 12, 2021 · US
US-2021164174-A1 · Jun 3, 2021 · US
US-10829322-B1 · Nov 10, 2020 · US
US-2020239754-A1 · Jul 30, 2020 · US
US-2020048020-A1 · Feb 13, 2020 · US
US-10315858-B2 · Jun 11, 2019 · US
US-10315867-B2 · Jun 11, 2019 · US
US-2019135553-A1 · May 9, 2019 · US
US-2018002122-A1 · Jan 4, 2018 · US
US-2017291779-A1 · Oct 12, 2017 · US
US-9364874-B2 · Jun 14, 2016 · US
US-2016023154-A1 · Jan 28, 2016 · US