One-step formation of an integrated composite structure comprising cured mortar layers and a polyurethane layer by 3D printing
US-12397494-B2 · Aug 26, 2025 · US
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using means for co-extruding different materials
using means for co-extruding different materials · 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 | B28B3/2636 |
| Official title | {using means for co-extruding different materials} |
| Display label | using means for co-extruding different materials |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Honeycomb bodies with multi-zoned honeycomb structures and co-extrusion manufacturing methods
US-11666897-B2 · Jun 6, 2023 · US
One-step formation of an integrated composite structure comprising cured mortar layers and a polyurethane layer by 3d printing
US-2022305717-A1 · Sep 29, 2022 · US
Honeycomb bodies with multi-zoned honeycomb structures and co-extrusion manufacturing methods
US-2021197185-A1 · Jul 1, 2021 · US
Compound nozzle for cement 3D printer to produce thermally insulated composite cement
US-10399247-B1 · Sep 3, 2019 · US
Additively manufactured concrete-bearing radiation attenuation structure
US-10074449-B2 · Sep 11, 2018 · US
Extrusion process for proppant production
US-9862879-B2 · Jan 9, 2018 · US
Additively Manufactured Concrete-Bearing Radiation Attenuation Structure
US-2017365365-A1 · Dec 21, 2017 · US
Monolith
US-2017144938-A1 · May 25, 2017 · US
Honeycomb extrusion apparatus and methods
US-9475245-B2 · Oct 25, 2016 · US
3d printing system
US-2016107332-A1 · Apr 21, 2016 · US
Extrusion Process for Proppant Production
US-2016083645-A1 · Mar 24, 2016 · US
Extrusion process for proppant production
US-9227874-B2 · Jan 5, 2016 · US
Systems and methods for manufacturing concrete structures
US-2015069656-A1 · Mar 12, 2015 · US