Filter elements and assemblies
US-2025387743-A1 · Dec 25, 2025 · US
Special adapters for the connection of filters or parts of filters
Special adapters for the connection of filters or parts of filters · 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 | B01D2265/05 |
| Official title | Special adapters for the connection of filters or parts of filters |
| Display label | Special adapters for the connection of filters or parts of filters |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter element and method of manufacturing a filter element
US-2025332532-A1 · Oct 30, 2025 · US
Filter elements and assemblies
US-12403419-B1 · Sep 2, 2025 · US
Filter apparatus
US-2025249389-A1 · Aug 7, 2025 · US
Filter element and method of manufacturing a filter element
US-12311301-B2 · May 27, 2025 · US
Filter system and filter element
US-2025058260-A1 · Feb 20, 2025 · US
Filter element with convertible end cap and methods
US-2024207770-A1 · Jun 27, 2024 · US
Filter device, air conducting hose with filter element, tunnel, and use of the filter device
US-11958009-B2 · Apr 16, 2024 · US
Filter elment and method of manufacturing a filter element
US-2024109012-A1 · Apr 4, 2024 · US
Air filter and air purifier comprising same
US-2023233971-A1 · Jul 27, 2023 · US
Adapter and air filter cartridge being adapted for use with such an adapter
US-11504664-B2 · Nov 22, 2022 · US
Housing for filter element; filter element; methods of use and making
US-11207616-B2 · Dec 28, 2021 · US
Filter Device, Air Conducting Hose with Filter Element, Tunnel, and Use of the Filter Device
US-2021275953-A1 · Sep 9, 2021 · US
Variable diameter top for a filter element
US-11090596-B2 · Aug 17, 2021 · US
Vacuum cleaner
US-2021212537-A1 · Jul 15, 2021 · US
Adapter and air filter cartridge being adapted for use with sugh an adapter
US-2021187423-A1 · Jun 24, 2021 · US
Adapter filter fixing type air cleaner and intake system including the same
US-10865748-B2 · Dec 15, 2020 · US
Housing for filter element; filter element; methods of use and making
US-2020086243-A1 · Mar 19, 2020 · US
Housing for filter element; filter element; methods of use and making
US-10512859-B2 · Dec 24, 2019 · US
Variable Diameter Top for a Filter Element
US-2019232205-A1 · Aug 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2265/05?
- CPC B01D2265/05 is the Cooperative Patent Classification code for “Special adapters for the connection of filters or parts of filters.”
- How many patents are filed under CPC B01D2265/05 (Special adapters for the connection of filters or parts of filters)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B01D2265/05 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).