Electrophotography-based additive manufacturing with support structure and support structure removal
US-2018370155-A1 · Dec 27, 2018 · US
destructible (B29C33/52 takes precedence; in particular used in injection moulding B29C45/4457)
destructible (B29C33/52 takes precedence; in particular used in injection moulding B29C45/4457) · 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 | B29C33/448 |
| Official title | {destructible (B29C33/52 takes precedence; in particular used in injection moulding B29C45/4457)} |
| Display label | destructible (B29C33/52 takes precedence; in particular used in injection moulding B29C45/4457) |
| Total patents | 132 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 15 |
| 2018 | 22 |
| 2019 | 18 |
| 2020 | 15 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of additive manufacturing to improve interlayer adhesion
US-2018361656-A1 · Dec 20, 2018 · US
Method and apparatus for printing three-dimensional (3d) objects
US-2018297287-A1 · Oct 18, 2018 · US
Additive fabrication support structures
US-2018297291-A1 · Oct 18, 2018 · US
Three-dimensional printing process for producing a self-destructible temporary structure
US-10099430-B2 · Oct 16, 2018 · US
Method of forming a carbon fiber layup
US-10093067-B2 · Oct 9, 2018 · US
Support structures for additive manufacturing techniques
US-2018272609-A1 · Sep 27, 2018 · US
Fabrication of intra-structure conductive traces and interconnects for three-dimensional manufactured structures
US-10039195-B2 · Jul 31, 2018 · US
Mold with separable features
US-2018194039-A1 · Jul 12, 2018 · US
Additive fabrication support structures
US-10011079-B2 · Jul 3, 2018 · US
Support structures for additive manufacturing techniques
US-10005239-B2 · Jun 26, 2018 · US
Process and tool for forming a vehicle component
US-9950449-B2 · Apr 24, 2018 · US
Mold with separable features
US-9943991-B2 · Apr 17, 2018 · US
Mold with weakened areas
US-9943386-B2 · Apr 17, 2018 · US
Radius filler for composite structure
US-2018065314-A1 · Mar 8, 2018 · US
Tools and processes for manufacturing parts employing additive manufacturing
US-2018065277-A1 · Mar 8, 2018 · US
Method for forming three-dimensional object, three-dimensional-object forming apparatus, and non-transitory computer-readable medium storing program for three-dimensional-object forming apparatus
US-2018043680-A1 · Feb 15, 2018 · US
Hollow porous materials with architected fluid interfaces for reduced overall pressure loss
US-9862151-B1 · Jan 9, 2018 · US
Dual cure resins containing microwave absorbing materials and methods of using the same
US-2017368740-A1 · Dec 28, 2017 · US
Compositions and methods for use in three dimensional model printing
US-2017368738-A1 · Dec 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C33/448?
- CPC B29C33/448 is the Cooperative Patent Classification code for “destructible (B29C33/52 takes precedence; in particular used in injection moulding B29C45/4457).”
- How many patents are filed under CPC B29C33/448 (destructible (B29C33/52 takes precedence; in particular used in injection moulding B29C45/4457))?
- Our database includes 132 publications tagged with this CPC code.
- Is patent activity under CPC B29C33/448 growing?
- Publication counts under this code: 2 in 2024 vs 7 in 2025 (latest complete years).