Substance feeding device, mixing system, and battery production line
US-12590829-B2 · Mar 31, 2026 · US
Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles · 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 | B01F33/81 |
| Official title | Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles |
| Display label | Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Substance feeding device, mixing system, and battery production line
US-2025362170-A1 · Nov 27, 2025 · US
Bioprocess mixer
US-RE49606-E · Aug 15, 2023 · US
Disposable interconnected pump cassettes having first and second pump chambers with valved inlet and outlet connections
US-11319944-B2 · May 3, 2022 · US
Multifunctional blending equipment
US-2020398238-A1 · Dec 24, 2020 · US
Multifunctional blending equipment
US-10870093-B1 · Dec 22, 2020 · US
Bioprocess mixer
US-10857510-B2 · Dec 8, 2020 · US
Probes and liquid handling systems and methods including the same
US-2020269238-A1 · Aug 27, 2020 · US
Bone cement applicator with three-way valve for pressure relief
US-10543031-B2 · Jan 28, 2020 · US
Apparatus and methods for conducting assays and high throughput screening
US-10509018-B2 · Dec 17, 2019 · US
System for Sealing a Pump Cassette Against a Cassette Control Assembly
US-2018245584-A1 · Aug 30, 2018 · US
Apparatus and method for producing biobased carriers from byproducts of biomass processing
US-10051858-B2 · Aug 21, 2018 · US
Bioprocess Mixer
US-2018126344-A1 · May 10, 2018 · US
System for sealing a pump cassette against a cassette control assembly
US-9957960-B2 · May 1, 2018 · US
Bone cement applicator with three-way valve for pressure relief
US-2018021075-A1 · Jan 25, 2018 · US
Arranging interaction and back pressure chambers for microfluidization
US-9700616-B2 · Jul 11, 2017 · US
Arranging interaction and back pressure chambers for microfluidization
US-9463240-B2 · Oct 11, 2016 · US
Arranging interaction and back pressure chambers for microfluidization
US-2016199486-A1 · Jul 14, 2016 · US
Apparatus and method for producing biobased carriers from byproducts of biomass processing
US-2016135449-A1 · May 19, 2016 · US
Microfluidic mixing and reaction systems for high efficiency screening
US-2016129442-A1 · May 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F33/81?
- CPC B01F33/81 is the Cooperative Patent Classification code for “Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles.”
- How many patents are filed under CPC B01F33/81 (Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B01F33/81 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).