Centrifugal oil mist separator
US-2021189932-A1 · Jun 24, 2021 · US
Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C9/00)}
Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C9/00)} · 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 | B04C3/00 |
| Official title | Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C9/00)} |
| Display label | Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C9/00)} |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 7 |
| 2022 | 10 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-station debris separation system
US-2020316508-A1 · Oct 8, 2020 · US
Centrifugal separator of gas - liquid for electrochemical battery
US-2020282409-A1 · Sep 10, 2020 · US
Multi-station debris separation system
US-10695704-B2 · Jun 30, 2020 · US
Apparatus and process for gas-solids separation
US-10688504-B2 · Jun 23, 2020 · US
Water extractor
US-10668486-B2 · Jun 2, 2020 · US
Low-gravity water capture device
US-2020147535-A1 · May 14, 2020 · US
Magneto-centrifugal flotation cell for concentrating materials which reduces water consumption
US-2020139380-A1 · May 7, 2020 · US
Air Pre-Cleaning Assembly and Electric Tool having Same
US-2020099275-A1 · Mar 26, 2020 · US
Cyclone for separation of gas-liquid mixture, and a refrigerant accumulator containing this cyclone
US-2020047098-A1 · Feb 13, 2020 · US
Water extractor
US-10525485-B2 · Jan 7, 2020 · US
Long life air filter
US-2019381437-A1 · Dec 19, 2019 · US
Separation device comprising a swirler
US-10427172-B2 · Oct 1, 2019 · US
Method and apparatus for removal of gas bubbles from fluid
US-10369265-B2 · Aug 6, 2019 · US
Passive multiphase flow separator
US-10344580-B2 · Jul 9, 2019 · US
Inertial separator
US-10286407-B2 · May 14, 2019 · US
Cyclone type dust collecting apparatus
US-2019134647-A1 · May 9, 2019 · US
Fluidized bed solid circulation system using pressure and density difference, fluidized bed reaction system having the same and solid circulation method
US-10272408-B1 · Apr 30, 2019 · US
Separator
US-10258999-B2 · Apr 16, 2019 · US
Apparatus and process for gas-solids separation
US-2019099766-A1 · Apr 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C3/00?
- CPC B04C3/00 is the Cooperative Patent Classification code for “Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C9/00)}.”
- How many patents are filed under CPC B04C3/00 (Apparatus in which the axial direction of the vortex {flow following a screw-thread type line} remains unchanged {; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct (combined with other devices B04C9/00)})?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC B04C3/00 growing?
- Publication counts under this code: 10 in 2024 vs 11 in 2025 (latest complete years).