Polyethylene terephthalate resin composition and molded article
US-2025179293-A1 · Jun 5, 2025 · US
with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing
with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing · 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 | B29B7/422 |
| Official title | {with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing} |
| Display label | with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 6 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Complex minute cutting apparatus for super absorbent polymer hydrogel
US-12251856-B2 · Mar 18, 2025 · US
Superabsorbent polymer hydrogel chopping device
US-12145287-B2 · Nov 19, 2024 · US
Particulate water absorbent, absorbent body containing water absorbent, and absorbent article using absorbent body
US-2024299907-A1 · Sep 12, 2024 · US
Method of carrying out thermolysis and thermolysis apparatus
US-12030232-B2 · Jul 9, 2024 · US
Super absorbent polymer hydrogel shredding device
US-11975335-B2 · May 7, 2024 · US
Extrusion methods wherein material is guided through a passage crossing over between adjacent cylindrical bodies
US-11820062-B2 · Nov 21, 2023 · US
Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer, specifically an SAP polymer gel, using a single-shaft extruder
US-11560456-B2 · Jan 24, 2023 · US
Superabsorbent polymer hydrogel chopping device
US-2022339811-A1 · Oct 27, 2022 · US
Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer gel using a single-shaft extruder
US-11458665-B2 · Oct 4, 2022 · US
Complex minute cutting apparatus for super absorbent polymer hydrogel
US-2022258380-A1 · Aug 18, 2022 · US
Super Absorbent Polymer Hydrogel Shredding Device
US-2022203375-A1 · Jun 30, 2022 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11224991-B2 · Jan 18, 2022 · US
Extruder screw having paths within the screw, extruder, and extrusion method
US-11220022-B2 · Jan 11, 2022 · US
Screw for extruder comprising a passage crossing over between adjacent cylindrical bodies
US-2021316492-A1 · Oct 14, 2021 · US
Method for producing rubber member
US-11097447-B2 · Aug 24, 2021 · US
Screw for extruder comprising a passage crossing over between adjacent cylindrical bodies
US-11072104-B2 · Jul 27, 2021 · US
Method of carrying out thermolysis and thermolysis apparatus
US-2020398475-A1 · Dec 24, 2020 · US
Conical viscosity pump with axially positionable impeller and method of printing a 3D part
US-10670019-B2 · Jun 2, 2020 · US
Water absorbent resin powder
US-10624983-B2 · Apr 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29B7/422?
- CPC B29B7/422 is the Cooperative Patent Classification code for “with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing.”
- How many patents are filed under CPC B29B7/422 (with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B29B7/422 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).