Grease filter, manufacturing method thereof and cooking device having the same
US-11135539-B2 · Oct 5, 2021 · US
Bypass or safety valves
Bypass or safety valves · 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 | B01D46/0087 |
| Official title | {Bypass or safety valves} |
| Display label | Bypass or safety valves |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 10 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter device and method for switching on and/or switching off such filter device
US-2021229019-A1 · Jul 29, 2021 · US
Earth working machine having a dust extraction system with selectable filtration of the extracted dust-laden air
US-2021164173-A1 · Jun 3, 2021 · US
Filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system
US-10865672-B2 · Dec 15, 2020 · US
Filter device and fixing means comprising a filter device of this type
US-2020353400-A1 · Nov 12, 2020 · US
Inertial gas-liquid impactor separator with flow director
US-10823020-B2 · Nov 3, 2020 · US
Intake bypass flow management systems and methods
US-2020206664-A1 · Jul 2, 2020 · US
Intake bypass flow management systems and methods
US-10668414-B2 · Jun 2, 2020 · US
Filter element and associated filter apparatus
US-10669975-B2 · Jun 2, 2020 · US
Air brake filter and method
US-10653988-B2 · May 19, 2020 · US
Valve, Use of Such Valve, Separator Comprising Such Valve and Method of Operating a Separator
US-2020147538-A1 · May 14, 2020 · US
Working vehicle
US-2020114724-A1 · Apr 16, 2020 · US
Ring filter element, in particular for oil separation of a crankcase, and filter device
US-10596509-B2 · Mar 24, 2020 · US
Housing of a liquid separation device for separation of a liquid from a gas-liquid mixture
US-2020086258-A1 · Mar 19, 2020 · US
Filter Element, Oil Separator, and Method for Controlling Prevailing Pressure in Crankcase Ventilation System
US-2019323395-A1 · Oct 24, 2019 · US
Multi-modal multi-media air filtration system
US-2019282944-A1 · Sep 19, 2019 · US
Bypass valve system state indication
US-10378443-B2 · Aug 13, 2019 · US
Filter element and associated filter apparatus
US-2019203674-A1 · Jul 4, 2019 · US
Air treatment system with pressure balance
US-10300761-B2 · May 28, 2019 · US
Filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system
US-10221736-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/0087?
- CPC B01D46/0087 is the Cooperative Patent Classification code for “Bypass or safety valves.”
- How many patents are filed under CPC B01D46/0087 (Bypass or safety valves)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/0087 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).