Medicament Preparation Devices, Methods, and Systems
US-2025205401-A1 · Jun 26, 2025 · US
Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence)
Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence) · 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 | B01F35/181 |
| Official title | {Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence)} |
| Display label | Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence) |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Raw Material Mixing Device for Slurry Preparation
US-2025161891-A1 · May 22, 2025 · US
Medicament preparation devices, methods, and systems
US-12263286-B2 · Apr 1, 2025 · US
Antibody-resin coupling apparatus and methods
US-2024342680-A1 · Oct 17, 2024 · US
Bone material dispensing apparatus and methods
US-12042403-B2 · Jul 23, 2024 · US
Device for mixing bone cement
US-2024189006-A1 · Jun 13, 2024 · US
Antibody-resin coupling apparatus and methods
US-11969703-B2 · Apr 30, 2024 · US
Fluid processing systems including a plurality of material tanks, at least one mixing tank, at least one holding tank, and recirculation loops
US-11925912-B2 · Mar 12, 2024 · US
Bone material dispensing apparatus and methods
US-2023157843-A1 · May 25, 2023 · US
Mixer base assembly for mixing vessels and method of use
US-11565222-B2 · Jan 31, 2023 · US
Bone material dispensing apparatus and methods
US-11564810-B2 · Jan 31, 2023 · US
Mixer base assembly for mixing vessels and method of use
US-11504682-B2 · Nov 22, 2022 · US
Medicament Preparation Devices, Methods, and Systems
US-2022241478-A1 · Aug 4, 2022 · US
Antibody-resin coupling apparatus and methods
US-2022105490-A1 · Apr 7, 2022 · US
Device for mixing a bone cement with hollow space for monomer transfer
US-11241266-B2 · Feb 8, 2022 · US
Material wetting system with shroud assembly
US-11235293-B2 · Feb 1, 2022 · US
Device and method for storing and mixing bone cement
US-11154343-B2 · Oct 26, 2021 · US
Antibody-resin coupling apparatus and methods
US-11123704-B2 · Sep 21, 2021 · US
Mixer base assembly for mixing vessels and method of use
US-2021187457-A1 · Jun 24, 2021 · US
Mixer base assembly for mixing vessels and method of use
US-2021187456-A1 · Jun 24, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F35/181?
- CPC B01F35/181 is the Cooperative Patent Classification code for “Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence).”
- How many patents are filed under CPC B01F35/181 (Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence))?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B01F35/181 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).