Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body
US-12076903-B2 · Sep 3, 2024 · US
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Screw or worm constructions
Screw or worm constructions · 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 | B28B3/222 |
| Official title | {Screw or worm constructions} |
| Display label | Screw or worm constructions |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Kneading elements for extrusion apparatus and methods of manufacturing a honeycomb body
US-11571832-B2 · Feb 7, 2023 · US
Rotating member, kneading machine member, and kneading machine using same, bearing and bearing unit using same
US-2021187452-A1 · Jun 24, 2021 · US
Extrusion apparatus for ceramic structures and honeycomb filters
US-2021162625-A1 · Jun 3, 2021 · US
Stucco paper screen assembly
US-10814522-B2 · Oct 27, 2020 · US
Kneading elements for extrusion apparatus and methods of manufacturing a honeycomb body
US-2020307019-A1 · Oct 1, 2020 · US
Screw elements for extrusion apparatus and methods of manufacturing a honeycomb body
US-2020276745-A1 · Sep 3, 2020 · US
Stucco paper screen assembly
US-2019143560-A1 · May 16, 2019 · US
Mixing segments for an extrusion apparatus and methods of manufacturing a honeycomb structure
US-9586187-B2 · Mar 7, 2017 · US