Cyclone separator apparatus and methods of production
US-10159989-B2 · Dec 25, 2018 · US
Tangential inlets
Tangential inlets · 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 | B04C5/04 |
| Official title | Tangential inlets |
| Display label | Tangential inlets |
| Total patents | 273 |
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 | 21 |
| 2016 | 14 |
| 2017 | 22 |
| 2018 | 18 |
| 2019 | 30 |
| 2020 | 43 |
| 2021 | 40 |
| 2022 | 21 |
| 2023 | 28 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cyclone separator
US-2018154375-A1 · Jun 7, 2018 · US
Filter and Cyclone Filter System
US-2018036746-A1 · Feb 8, 2018 · US
Cylindrical filter screen with tensioning mechanism
US-2017368481-A1 · Dec 28, 2017 · US
Method and device for treating a mixture of expansion gas and filling product foam in a beverage filling plant
US-2017367378-A1 · Dec 28, 2017 · US
Fluid separation systems and methods
US-9821252-B2 · Nov 21, 2017 · US
Anti-extrusion hydrocyclone
US-2017312764-A1 · Nov 2, 2017 · US
Method and a device for separating a multiphasic liquid
US-9797233-B2 · Oct 24, 2017 · US
Dust collector and vacuum cleaner having the same
US-2017296016-A1 · Oct 19, 2017 · US
Dust collector and vacuum cleaner having the same
US-2017296017-A1 · Oct 19, 2017 · US
Surface cleaning apparatus
US-2017296019-A1 · Oct 19, 2017 · US
Separator and Method of Separation
US-2017284182-A1 · Oct 5, 2017 · US
Separator and method of separation
US-9714561-B2 · Jul 25, 2017 · US
Method and apparatus for removal of gas bubbles from fluid
US-2017136170-A1 · May 18, 2017 · US
Cyclone dust separator arrangement, cyclone dust separator and cyclone vacuum cleaner
US-9649000-B2 · May 16, 2017 · US
Sand separator vessel perforated replaceable insert apparatus and method
US-2017128958-A1 · May 11, 2017 · US
Integrated cyclone separation device
US-9636691-B2 · May 2, 2017 · US
Oil separator
US-9630128-B2 · Apr 25, 2017 · US
Surface cleaning apparatus
US-9629511-B2 · Apr 25, 2017 · US
Turbine Engine Oil Reservoir with Deaerator
US-2017096910-A1 · Apr 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C5/04?
- CPC B04C5/04 is the Cooperative Patent Classification code for “Tangential inlets.”
- How many patents are filed under CPC B04C5/04 (Tangential inlets)?
- Our database includes 273 publications tagged with this CPC code.
- Is patent activity under CPC B04C5/04 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).