Filter System with a Filter Element and a Safety Assembly, a Safety Assembly, and a Filter Element
US-2024082766-A1 · Mar 14, 2024 · 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 | B01D35/147 |
| Official title | Bypass or safety valves |
| Display label | Bypass or safety valves |
| Total patents | 501 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 40 |
| 2017 | 39 |
| 2018 | 39 |
| 2019 | 38 |
| 2020 | 59 |
| 2021 | 46 |
| 2022 | 48 |
| 2023 | 55 |
| 2024 | 46 |
| 2025 | 44 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ballast water treatment device
US-2016368581-A1 · Dec 22, 2016 · US
Media cartridge with linear, adjustable bypass
US-2016353920-A1 · Dec 8, 2016 · US
Detecting the clogging of a fluid filter
US-2016346716-A1 · Dec 1, 2016 · US
Modular Filter Capsule Apparatus
US-2016346717-A1 · Dec 1, 2016 · US
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
US-2016339364-A1 · Nov 24, 2016 · US
Water filter device and refrigerator having the same
US-9487414-B2 · Nov 8, 2016 · US
Hydraulic filter
US-9480937-B2 · Nov 1, 2016 · US
Liquid filter assemblies; features; components; and, methods
US-9480940-B2 · Nov 1, 2016 · US
Method for sterilizing water treatment apparatus having plurality of tanks
US-2016303621-A1 · Oct 20, 2016 · US
Liquid filter assembly; components; and, methods
US-9468871-B2 · Oct 18, 2016 · US
Treatment device for treating fluids, in particular liquid fluids, and treatment element of treatment device
US-2016296860-A1 · Oct 13, 2016 · US
Detecting the clogging of a fluid filter
US-9463402-B2 · Oct 11, 2016 · US
Filter device comprising an adapter piece
US-2016271539-A1 · Sep 22, 2016 · US
Fuel supply device
US-2016265494-A1 · Sep 15, 2016 · US
Aircraft fuel filter impending and actual bypass indication system
US-9441598-B2 · Sep 13, 2016 · US
Filter element with a bypass duct as well as filter assembly with a filter element
US-9410456-B2 · Aug 9, 2016 · US
Filtration system
US-2016214042-A1 · Jul 28, 2016 · US
Filter diagnostics and prognostics
US-2016206981-A1 · Jul 21, 2016 · US
Filter cartridges and manifolds for linear motion installation
US-9370738-B2 · Jun 21, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D35/147?
- CPC B01D35/147 is the Cooperative Patent Classification code for “Bypass or safety valves.”
- How many patents are filed under CPC B01D35/147 (Bypass or safety valves)?
- Our database includes 501 publications tagged with this CPC code.
- Is patent activity under CPC B01D35/147 growing?
- Publication counts under this code: 46 in 2024 vs 44 in 2025 (latest complete years).