Process chamber for an additive manufacturing apparatus and method for operating the process chamber
US-2024157648-A1 · May 16, 2024 · US
Two or more
Two or more · 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 | B22F12/45 |
| Official title | Two or more |
| Display label | Two or more |
| Total patents | 1,129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 31 |
| 2017 | 79 |
| 2018 | 126 |
| 2019 | 110 |
| 2020 | 131 |
| 2021 | 154 |
| 2022 | 129 |
| 2023 | 115 |
| 2024 | 132 |
| 2025 | 87 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Machine and method for powder-based additive manufacturing
US-2017304897-A1 · Oct 26, 2017 · US
Generating three-dimensional objects by three-dimensional printing with rotation
US-2017291372-A1 · Oct 12, 2017 · US
Additive Manufacturing System And Method
US-2017120518-A1 · May 4, 2017 · US
Irradiation in generative fabrication
US-9636769-B2 · May 2, 2017 · US
Device and method for additively producing at least one component region of a component
US-2016368051-A1 · Dec 22, 2016 · US
Three-dimensional forming apparatus and three-dimensional forming method
US-2016368053-A1 · Dec 22, 2016 · US
Laser sintering apparatus and laser sintering method
US-2016361843-A1 · Dec 15, 2016 · US
Method and apparatus for additive manufacturing
US-9505172-B2 · Nov 29, 2016 · US
Three-dimension printer with mechanically scanned cathode-comb
US-2016332228-A1 · Nov 17, 2016 · US
System and method for multi-laser additive manufacturing
US-2016318129-A1 · Nov 3, 2016 · US
Method for additive manufacturing
US-2016311021-A1 · Oct 27, 2016 · US
Laser printing system
US-2016311230-A1 · Oct 27, 2016 · US
Method and apparatus for additive manufacturing
US-9468973-B2 · Oct 18, 2016 · US
Laser additive manufacturing using filler material suspended in a liquid carrier
US-2016298220-A1 · Oct 13, 2016 · US
Method for additive manufacturing
US-2016279735-A1 · Sep 29, 2016 · US
Laser Printing System
US-2016279707-A1 · Sep 29, 2016 · US
Method for additive manufacturing
US-2016282848-A1 · Sep 29, 2016 · US
Machine and method for additive manufacturing
US-9452489-B2 · Sep 27, 2016 · US
Three-dimensional forming apparatus and three-dimensional forming method
US-2016271696-A1 · Sep 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F12/45?
- CPC B22F12/45 is the Cooperative Patent Classification code for “Two or more.”
- How many patents are filed under CPC B22F12/45 (Two or more)?
- Our database includes 1,129 publications tagged with this CPC code.
- Is patent activity under CPC B22F12/45 growing?
- Publication counts under this code: 132 in 2024 vs 87 in 2025 (latest complete years).