Impeller, a diffuser and an arrangement using such impeller and diffuser in a flotation tank
US-2022347635-A1 · Nov 3, 2022 · US
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Operations & Transport
Operations & Transport · 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 | B01F3/04539 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-gravity device for generating nano/micron bubbles and reaction system
US-2022062832-A1 · Mar 3, 2022 · US
Synthesis method and synthesis device for cyclododecene
US-2022055970-A1 · Feb 24, 2022 · US
Vortex generator
US-11067054-B2 · Jul 20, 2021 · US
Gas injection and recycling apparatus and methods
US-10683221-B2 · Jun 16, 2020 · US
Vortex generator
US-2020124019-A1 · Apr 23, 2020 · US
Immediately-before-stirring-type fluid processing device and processing method
US-2020038821-A1 · Feb 6, 2020 · US
Shaft-mounted fluid transfer assembly for a disposable bioreactor
US-10519409-B2 · Dec 31, 2019 · US
Gas injection and recycling apparatus and methods
US-2019185353-A1 · Jun 20, 2019 · US
Processing biomass
US-2019153492-A1 · May 23, 2019 · US
Bioprocessing
US-2019093062-A1 · Mar 28, 2019 · US
Bioprocessing
US-2017247651-A1 · Aug 31, 2017 · US
Stirrer
US-9744505-B2 · Aug 29, 2017 · US
Processing biomass
US-2017240940-A1 · Aug 24, 2017 · US
Bioprocessing
US-9677043-B2 · Jun 13, 2017 · US
Gas injection method and apparatus
US-9656218-B2 · May 23, 2017 · US
Gas injection method and apparatus
US-9486750-B2 · Nov 8, 2016 · US
Bioprocessing
US-9284586-B2 · Mar 15, 2016 · US
Stirrer
US-9120063-B2 · Sep 1, 2015 · US