Liquid extraction system
US-2026091395-A1 · Apr 2, 2026 · US
obtained by a rotating magnetic drum
obtained by a rotating magnetic drum · 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 | B03C1/247 |
| Official title | obtained by a rotating magnetic drum |
| Display label | obtained by a rotating magnetic drum |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and process for dry magnetic concentration of fine iron ore concentrates
US-2026061430-A1 · Mar 5, 2026 · US
Material separation system
US-12128423-B2 · Oct 29, 2024 · US
Recycling printed circuit boards using swelling agent
US-2024260199-A1 · Aug 1, 2024 · US
Recycling printed circuit boards using swelling agent
US-12035480-B1 · Jul 9, 2024 · US
Material separation system
US-2024100542-A1 · Mar 28, 2024 · US
Method and system of reducing non-ferrous metal content of scrap steel
US-2024060152-A1 · Feb 22, 2024 · US
Method and system of reducing non-ferrous metal content of scrap steel
US-11834728-B2 · Dec 5, 2023 · US
Method and system of reducing non-ferrous metal content of scrap steel
US-2022235430-A1 · Jul 28, 2022 · US
Method of producing atomized powder and method of manufacturing magnetic core
US-11097347-B2 · Aug 24, 2021 · US
Incinerated-ash treatment device and treatment method
US-11014092-B2 · May 25, 2021 · US
Systems and methods for improving the stability of non-ferrous metals on a conveyor
US-10836584-B2 · Nov 17, 2020 · US
Wastewater treatment method and wastewater treatment system
US-10800681-B2 · Oct 13, 2020 · US
Method of producing atomized powder and method of manufacturing magnetic core
US-2020047255-A1 · Feb 13, 2020 · US
Incinerated-ash treatment device and treatment method
US-2020009574-A1 · Jan 9, 2020 · US
Systems and methods for improving the stability of non-ferrous metals on a conveyor
US-2020010278-A1 · Jan 9, 2020 · US
Apparatus for additively manufacturing at least one three-dimensional object
US-2019224782-A1 · Jul 25, 2019 · US
Method and device for separation of particles and cells using gradient magnetic ratcheting
US-10144911-B2 · Dec 4, 2018 · US
Wastewater treatment method and wastewater treatment system
US-2018305227-A1 · Oct 25, 2018 · US
Variable frequency eddy current metal sorter
US-2018243756-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03C1/247?
- CPC B03C1/247 is the Cooperative Patent Classification code for “obtained by a rotating magnetic drum.”
- How many patents are filed under CPC B03C1/247 (obtained by a rotating magnetic drum)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC B03C1/247 growing?
- Publication counts under this code: 1 in 2023 vs 5 in 2024 (latest complete years).