Fuel filter cartridge with keyed profile
US-12233364-B2 · Feb 25, 2025 · US
Anti-return means
Anti-return 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 | B01D46/0089 |
| Official title | {Anti-return means} |
| Display label | Anti-return means |
| Total patents | 27 |
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 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 8 |
| 2021 | 1 |
| 2022 | 6 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assembly for compressing gas, method for supplying compressed gas, and use of such an assembly
US-2024426422-A1 · Dec 26, 2024 · US
Fuel filter cartridge with keyed profile
US-2022347608-A1 · Nov 3, 2022 · US
Filter device and fixing means comprising a filter device of this type
US-11471809-B2 · Oct 18, 2022 · US
Valve, use of such valve, separator comprising such valve and method of operating a separator
US-11465087-B2 · Oct 11, 2022 · US
Fuel filter cartridge with keyed profile
US-11420141-B2 · Aug 23, 2022 · US
Vacuum cleaner and filter for a vacuum cleaner
US-11363922-B2 · Jun 21, 2022 · US
Filter element with outlet port check valve
US-2022176295-A1 · Jun 9, 2022 · US
Fuel filter cartridge with keyed profile
US-2021170314-A1 · Jun 10, 2021 · US
Filter device and fixing means comprising a filter device of this type
US-2020353400-A1 · Nov 12, 2020 · US
Apparatus for additive manufacturing of three-dimensional objects
US-10821386-B2 · Nov 3, 2020 · US
Vacuum filter
US-10743731-B2 · Aug 18, 2020 · US
Oil mist separator
US-10729998-B2 · Aug 4, 2020 · US
Valve, Use of Such Valve, Separator Comprising Such Valve and Method of Operating a Separator
US-2020147538-A1 · May 14, 2020 · US
Handheld vacuum cleaner
US-2020121142-A1 · Apr 23, 2020 · US
Vacuum cleaner and filter for a vacuum cleaner
US-2020085266-A1 · Mar 19, 2020 · US
Handheld vacuum cleaner
US-10531772-B2 · Jan 14, 2020 · US
Vacuum cleaner and filter for a vacuum cleaner
US-10470625-B2 · Nov 12, 2019 · US
Oil mist separator
US-2018207565-A1 · Jul 26, 2018 · US
Apparatus for additive manufacturing of three-dimensional objects
US-2018133635-A1 · May 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/0089?
- CPC B01D46/0089 is the Cooperative Patent Classification code for “Anti-return means.”
- How many patents are filed under CPC B01D46/0089 (Anti-return means)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/0089 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).