Evaporation-limiting inserts for reagent containers and related methods of use
US-2025144635-A1 · May 8, 2025 · US
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Sieves, i.e. perforated plates or walls
Sieves, i.e. perforated plates or walls · 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 | B01F21/504 |
| Official title | {Sieves, i.e. perforated plates or walls} |
| Display label | Sieves, i.e. perforated plates or walls |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Evaporation-limiting inserts for reagent containers and related methods of use
US-12290817-B2 · May 6, 2025 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-2021008561-A1 · Jan 14, 2021 · US
Fluid injection system
US-10850240-B2 · Dec 1, 2020 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-10799870-B2 · Oct 13, 2020 · US
Fluid injection system with fertigation basket
US-10786788-B2 · Sep 29, 2020 · US
Sieve-like filter unit for cartridge-shaped receptacle
US-10569235-B2 · Feb 25, 2020 · US
Device and method for mixing, in particular dispersing
US-2019329198-A1 · Oct 31, 2019 · US
Fluid injection system
US-2019133030-A1 · May 9, 2019 · US
Fluid injection system with fertigation basket
US-2019134571-A1 · May 9, 2019 · US
Evaporation-limiting inserts for reagent containers and related methods of use
US-2018290142-A1 · Oct 11, 2018 · US
Sieve-like filter unit for cartridge-shaped receptacle
US-2018056249-A1 · Mar 1, 2018 · US