Powder cleaning systems and methods
US-2021362226-A1 · Nov 25, 2021 · US
Treatment under specific atmosphere
Treatment under specific atmosphere · 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 | B22F2201/00 |
| Official title | Treatment under specific atmosphere |
| Display label | Treatment under specific atmosphere |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Airflow control for additive manufacturing
US-2021362416-A1 · Nov 25, 2021 · US
Additive manufacturing system and method
US-2021276262-A1 · Sep 9, 2021 · US
Powder cleaning systems and methods
US-11097340-B2 · Aug 24, 2021 · US
Method and apparatus for generatively manufacturing a three-dimensional object
US-11090869-B2 · Aug 17, 2021 · US
Method of coating metallic powder particles
US-11028476-B2 · Jun 8, 2021 · US
Spacer flow guide for partitioning build chamber of an additive manufacturing system
US-11020763-B2 · Jun 1, 2021 · US
Additive manufacturing system and method
US-11014304-B2 · May 25, 2021 · US
Three-dimensional laminating and fabricating system, three-dimensional laminating and fabricating method, laminating and fabricating control apparatus and method of controlling the same, and control program
US-10926469-B2 · Feb 23, 2021 · US
Method and apparatus for generatively manufacturing a three-dimensional object
US-10919219-B2 · Feb 16, 2021 · US
Additive manufacturing machine comprising an extraction system and method of additive manufacturing by using such a machine
US-10875249-B2 · Dec 29, 2020 · US
Heated gas circulation system for an additive manufacturing machine
US-10814395-B2 · Oct 27, 2020 · US
Conditioning one or more additive manufactured objects
US-10807165-B2 · Oct 20, 2020 · US
Additive processing apparatus and method
US-2020324539-A1 · Oct 15, 2020 · US
Stability of gas atomized reactive powders through multiple step in-situ passivation
US-10766831-B2 · Sep 8, 2020 · US
Additive processing apparatus and method
US-10675854-B2 · Jun 9, 2020 · US
Additively manufactured non-contact support
US-10668532-B2 · Jun 2, 2020 · US
Passivation and alloying element retention in gas atomized powders
US-10661339-B2 · May 26, 2020 · US
Gas flow in three-dimensional printing
US-10661341-B2 · May 26, 2020 · US
Powder cleaning systems and methods
US-2020156149-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22F2201/00?
- CPC B22F2201/00 is the Cooperative Patent Classification code for “Treatment under specific atmosphere.”
- How many patents are filed under CPC B22F2201/00 (Treatment under specific atmosphere)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC B22F2201/00 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).