Breather device for engine
US-9822679-B2 · Nov 21, 2017 · US
with collecting, draining means
with collecting, draining means · 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 | B01D46/0031 |
| Official title | {with collecting, draining means} |
| Display label | with collecting, draining means |
| Total patents | 338 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 21 |
| 2017 | 29 |
| 2018 | 33 |
| 2019 | 31 |
| 2020 | 49 |
| 2021 | 28 |
| 2022 | 42 |
| 2023 | 24 |
| 2024 | 29 |
| 2025 | 28 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotating separator with housing preventing separated liquid carryover
US-9802146-B2 · Oct 31, 2017 · US
Housing, Housing Cover and Connecting Part of a Device for Separating at Least One Fluid From a Gas and a Device for the Separation of a Fluid
US-2017296957-A9 · Oct 19, 2017 · US
Apparatus and method for filtering liquid particles from inspiratory gas flow of a patient breathing circuit affiliated with a ventilator and/or nitric oxide delivery system
US-2017281896-A1 · Oct 5, 2017 · US
Oil separator
US-2017259198-A1 · Sep 14, 2017 · US
Fuel system
US-9752544-B2 · Sep 5, 2017 · US
Filter elements, air cleaner assemblies, and methods of use and assembly
US-2017246571-A1 · Aug 31, 2017 · US
Aerosol separator assembly; components; and, methods
US-9737839-B2 · Aug 22, 2017 · US
Oil separator
US-9664080-B2 · May 30, 2017 · US
Fuel tank inerting prefilter assemblies, devices, and methods of use
US-2017144128-A1 · May 25, 2017 · US
Oil separator
US-9656198-B2 · May 23, 2017 · US
Ripcord Locking Methods
US-2017120171-A1 · May 4, 2017 · US
Crankcase filter assembly
US-2017120183-A1 · May 4, 2017 · US
Air intake—drainage features
US-9618219-B2 · Apr 11, 2017 · US
Snap in place natural gas filter
US-2017014746-A1 · Jan 19, 2017 · US
Rotating separator with housing preventing separated liquid carryover
US-9545591-B2 · Jan 17, 2017 · US
Tank venting filter having a constriction in the air inlet area
US-9539895-B2 · Jan 10, 2017 · US
Filter Assemblies; Components; and, Methods
US-2016376951-A1 · Dec 29, 2016 · US
Filter Element, Oil Separator, and Method for Controlling Prevailing Pressure in Crankcase Ventilation System
US-2016348550-A1 · Dec 1, 2016 · US
Oil separator
US-2016333755-A1 · Nov 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/0031?
- CPC B01D46/0031 is the Cooperative Patent Classification code for “with collecting, draining means.”
- How many patents are filed under CPC B01D46/0031 (with collecting, draining means)?
- Our database includes 338 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/0031 growing?
- Publication counts under this code: 29 in 2024 vs 28 in 2025 (latest complete years).