Oilfield service slurry and proppant blending tub
US-2025108347-A1 · Apr 3, 2025 · US
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Receptacles with two or more compartments
Receptacles with two or more compartments · 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 | B01F35/52 |
| Official title | Receptacles with two or more compartments |
| Display label | Receptacles with two or more compartments |
| Total patents | 21 |
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 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cold brew coffee apparatus
US-2024382032-A1 · Nov 21, 2024 · US
Antibody-resin coupling apparatus and methods
US-2024342680-A1 · Oct 17, 2024 · US
Cold brew coffee apparatus
US-11998137-B2 · Jun 4, 2024 · US
Antibody-resin coupling apparatus and methods
US-11969703-B2 · Apr 30, 2024 · US
Two-component mixing capsule, in particular for dental purposes
US-11744674-B2 · Sep 5, 2023 · US
Bioprocess mixer
US-RE49606-E · Aug 15, 2023 · US
Apparatus and method for manufacturing slurry for battery
US-2023234008-A1 · Jul 27, 2023 · US
Mixing Device for Producing a Powder Mixture
US-2023191347-A1 · Jun 22, 2023 · US
Main container for mixing cosmetic, sub container for mixing cosmetic, and cosmetic product including same
US-11548715-B2 · Jan 10, 2023 · US
Cold brew coffee apparatus
US-2022167776-A1 · Jun 2, 2022 · US
Antibody-resin coupling apparatus and methods
US-2022105490-A1 · Apr 7, 2022 · US
System and method for mixing recirculating combustion ash with hydrated lime and water
US-2022062814-A1 · Mar 3, 2022 · US
Antibody-resin coupling apparatus and methods
US-11123704-B2 · Sep 21, 2021 · US
Two-component mixing capsule, in particular for dental purposes
US-2021169608-A1 · Jun 10, 2021 · US
Bioprocess mixer
US-10857510-B2 · Dec 8, 2020 · US
Main container for mixing cosmetic, sub container for mixing cosmetic, and cosmetic product including same
US-2020189827-A1 · Jun 18, 2020 · US
Antibody-resin coupling apparatus and methods
US-2019039042-A1 · Feb 7, 2019 · US
Bioprocess Mixer
US-2018126344-A1 · May 10, 2018 · US
Autoclave apparatus used during high-pressure acid leaching process
US-9732400-B2 · Aug 15, 2017 · US