Treating per- and poly-fluoroalkyl substances in landfill leachate
US-2025263310-A1 · Aug 21, 2025 · US
Nozzles for injecting gas into the flotation tank
Nozzles for injecting gas into the flotation tank · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B03D1/242 |
| Official title | {Nozzles for injecting gas into the flotation tank} |
| Display label | Nozzles for injecting gas into the flotation tank |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Treating per- and poly-fluoroalkyl substances in landfill leachate
US-12312255-B2 · May 27, 2025 · US
Modular installation for treating water by flotation
US-12172907-B2 · Dec 24, 2024 · US
Apparatus and method for reagentizing and aerating feed to flotation machines
US-2024375122-A1 · Nov 14, 2024 · US
Increasing flotation recovery and throughput
US-2024367180-A1 · Nov 7, 2024 · US
Flotation line
US-12083539-B2 · Sep 10, 2024 · US
Float sorting device for selective separation of non-metallic minerals
US-11958062-B2 · Apr 16, 2024 · US
Coarse particle flotation equipment and method based on coupled fluidization of cyclone and damping
US-2024100546-A1 · Mar 28, 2024 · US
High-ash fine coal slime separation equipment and method
US-11925944-B2 · Mar 12, 2024 · US
Fluidized-Bed Flotation Unit, Mineral Processing Apparatus, and Fluidized-Bed Flotation Method
US-2023271196-A1 · Aug 31, 2023 · US
Flotation arrangement and method related thereto
US-2023256457-A1 · Aug 17, 2023 · US
Treating per- and poly-fluoroalkyl substances in landfill leachate
US-2023127819-A1 · Apr 27, 2023 · US
Froth flotation process and froth stability
US-2023129507-A1 · Apr 27, 2023 · US
Oil droplet flotation unit with weirs and hydraulic means
US-11406917-B2 · Aug 9, 2022 · US
Modular Installation for Treating Water by Flotation
US-2022234913-A1 · Jul 28, 2022 · US
Oil droplet flotation unit with weirs and hydraulic means
US-2021331087-A1 · Oct 28, 2021 · US
Float sorting device for selective separation of non-metallic minerals
US-2021323000-A1 · Oct 21, 2021 · US
Flotation Cell
US-2021323002-A1 · Oct 21, 2021 · US
Flotation line
US-2021308695-A1 · Oct 7, 2021 · US
High-ash fine coal slime separation equipment and method
US-2021268518-A1 · Sep 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03D1/242?
- CPC B03D1/242 is the Cooperative Patent Classification code for “Nozzles for injecting gas into the flotation tank.”
- How many patents are filed under CPC B03D1/242 (Nozzles for injecting gas into the flotation tank)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B03D1/242 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).