Device for producing a multi-component mixture and method for operating said type of device
US-12370722-B2 · Jul 29, 2025 · US
having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 take precedence)
having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 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 | B29B7/401 |
| Official title | {having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 take precedence)} |
| Display label | having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 take precedence) |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve Device for Injecting Gas into a Mixing Chamber of a Plastic Metering Device, and Plastic Metering Device
US-2025041814-A1 · Feb 6, 2025 · US
Mixing Device for Providing a Foamed or Foamable Plastic
US-2024335799-A1 · Oct 10, 2024 · US
Method for Metering a Foamed or Foamable Plastic in a Preferably Discontinuous Manner with a Direct Gas Loading Process
US-2024335984-A1 · Oct 10, 2024 · US
Rotor shaft comprising a helix for a dynamic mixer for mixing low- to high-viscosity components
US-2024066479-A1 · Feb 29, 2024 · US
Mixing device with a pressure holding device
US-11897168-B2 · Feb 13, 2024 · US
Shaping material supply device and three-dimensional shaping apparatus
US-11787111-B2 · Oct 17, 2023 · US
Shearing part
US-11639016-B2 · May 2, 2023 · US
Rotary extruder
US-2022371254-A1 · Nov 24, 2022 · US
Extrusion system for 3-D printing of viscous elastomers
US-11498277-B2 · Nov 15, 2022 · US
Device for producing and conditioning a multi-component mixture and method for operating a device of this kind
US-2022088829-A1 · Mar 24, 2022 · US
Device for producing a multi-component mixture and method for operating said type of device
US-2022088830-A1 · Mar 24, 2022 · US
Shaping Material Supply Device And Three-Dimensional Shaping Apparatus
US-2021206065-A1 · Jul 8, 2021 · US
Mixing device with adjustment device for gap setting
US-11034059-B2 · Jun 15, 2021 · US
Shaping material supply device and three-dimensional shaping apparatus
US-11034087-B2 · Jun 15, 2021 · US
Plasticizing device
US-2021162642-A1 · Jun 3, 2021 · US
Method for compounding and applying adhesives
US-10981125-B2 · Apr 20, 2021 · US
Mixing device for mixing a liquid plastics component with a gas
US-10946350-B2 · Mar 16, 2021 · US
Extrusion system for 3-d printing of viscous elastomers
US-2020298492-A1 · Sep 24, 2020 · US
Shearing part
US-2020298458-A1 · Sep 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29B7/401?
- CPC B29B7/401 is the Cooperative Patent Classification code for “having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 take precedence).”
- How many patents are filed under CPC B29B7/401 (having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 take precedence))?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B29B7/401 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).