Shaft mounted centrifugal air-oil separator system
US-12337336-B2 · Jun 24, 2025 · US
Centrifuges for separating predominantly gaseous mixtures
Centrifuges for separating predominantly gaseous mixtures · 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 | B04B5/08 |
| Official title | Centrifuges for separating predominantly gaseous mixtures |
| Display label | Centrifuges for separating predominantly gaseous mixtures |
| Total patents | 39 |
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 | 3 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for isolating hydrogen from water
US-2024409400-A1 · Dec 12, 2024 · US
Apparatus and method for isolating hydrogen from water
US-2024408561-A1 · Dec 12, 2024 · US
Apparatus and method for isolating hydrogen from water
US-2024409401-A1 · Dec 12, 2024 · US
Shaft Mounted Centrifugal Air-Oil Separator System
US-2024390919-A1 · Nov 28, 2024 · US
A modular centrifugal separator for cleaning gas
US-2024149278-A1 · May 9, 2024 · US
Centrifugal separator
US-2023256458-A1 · Aug 17, 2023 · US
Compressor
US-11408426-B2 · Aug 9, 2022 · US
Centrifugal deaerator for a turbomachine
US-11401863-B2 · Aug 2, 2022 · US
Aerosol aging and concentrating drum and method
US-2021362164-A1 · Nov 25, 2021 · US
Aerosol concentrating apparatus for use with aerosol aging drum
US-11084046-B2 · Aug 10, 2021 · US
Rotodynamic separator for multiphase fluid without a central hub
US-2021213462-A1 · Jul 15, 2021 · US
Compressor
US-2020256600-A1 · Aug 13, 2020 · US
Centrifugal separator having a vortex generator
US-10710101-B2 · Jul 14, 2020 · US
Compressor centrifugal filter disc and assembly
US-2020197955-A1 · Jun 25, 2020 · US
Apparatus for cleaning crankcase gases
US-10682600-B2 · Jun 16, 2020 · US
Centrifugal separator with stack of angled separation discs
US-10675640-B2 · Jun 9, 2020 · US
Centrifugal separator having an outlet opening opposite a stack of separation disks
US-10532365-B2 · Jan 14, 2020 · US
Centrifugal deaerator for a turbomachine
US-2020011246-A1 · Jan 9, 2020 · US
Centrifugal separator having a drainage outlet downstream of an upstream portion of the gas outlet
US-10512919-B2 · Dec 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04B5/08?
- CPC B04B5/08 is the Cooperative Patent Classification code for “Centrifuges for separating predominantly gaseous mixtures.”
- How many patents are filed under CPC B04B5/08 (Centrifuges for separating predominantly gaseous mixtures)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B04B5/08 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).