Air intake device for a vehicle
US-2021381476-A1 · Dec 9, 2021 · US
by utilising gravity
by utilising gravity · 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 | B01D45/02 |
| Official title | by utilising gravity |
| Display label | by utilising gravity |
| Total patents | 120 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 19 |
| 2021 | 10 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter unit and image forming apparatus
US-2021373483-A1 · Dec 2, 2021 · US
Rotational mechanical gas separator
US-11185811-B1 · Nov 30, 2021 · US
Separating device for separating a fluid from gas as well as separating element and coupling element for such a separating device
US-11161071-B2 · Nov 2, 2021 · US
Centrifugal air filter for an automotive system
US-11125192-B2 · Sep 21, 2021 · US
Engine air precleaner system
US-11092065-B2 · Aug 17, 2021 · US
Gas sediment trap assembly
US-2021131576-A1 · May 6, 2021 · US
Liquid vapor separator
US-10864993-B2 · Dec 15, 2020 · US
Device for separating liquid from a gas stream coming from a liquid injected vacuum pump or compressor
US-2020360846-A9 · Nov 19, 2020 · US
Centrifugal air filter for an automotive system
US-2020355145-A1 · Nov 12, 2020 · US
Engine air precleaner system
US-2020340390-A1 · Oct 29, 2020 · US
Device for separating liquid from a gas stream coming from a liquid injected vacuum pump or compressor
US-10814259-B2 · Oct 27, 2020 · US
Staged fluid catalytic cracking processes incorporating a solids separation device for upgrading naphtha range material
US-2020318019-A1 · Oct 8, 2020 · US
Evaporator and baffle thereof
US-2020309425-A1 · Oct 1, 2020 · US
Mist collection arrangement
US-10724213-B2 · Jul 28, 2020 · US
Liquid recovery device
US-2020179849-A1 · Jun 11, 2020 · US
Filter assembly and scrubber section for a continuous miner
US-2020122072-A1 · Apr 23, 2020 · US
Liquid vapor separator
US-2020122842-A1 · Apr 23, 2020 · US
Steam separation unit for a system for hydrolysis of lignocellulosic biomass material
US-10625190-B2 · Apr 21, 2020 · US
Mist collection arrangement
US-2020095753-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D45/02?
- CPC B01D45/02 is the Cooperative Patent Classification code for “by utilising gravity.”
- How many patents are filed under CPC B01D45/02 (by utilising gravity)?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC B01D45/02 growing?
- Publication counts under this code: 12 in 2024 vs 13 in 2025 (latest complete years).