Method for producing a filter element provided with a sealing part
US-11471804-B2 · Oct 18, 2022 · US
Making of sealings
Making of sealings · 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 | B01D2271/025 |
| Official title | Making of sealings |
| Display label | Making of sealings |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 10 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter elements and methods of manufacturing filter elements
US-2022288522-A1 · Sep 15, 2022 · US
Air Filter Arrangement; Assembly; and, Methods
US-2022176299-A1 · Jun 9, 2022 · US
Curved Seal on Filter Element and Protective Seal Mold
US-2022018316-A1 · Jan 20, 2022 · US
Air filter arrangement; assembly; and, methods
US-11207632-B2 · Dec 28, 2021 · US
Filter with combined wear indication and pull tab
US-2021386956-A1 · Dec 16, 2021 · US
Porous textile fabric, filter element, method for the production thereof and use thereof
US-11198099-B2 · Dec 14, 2021 · US
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
US-11123672-B2 · Sep 21, 2021 · US
Method for producing a filter element provided with a sealing part
US-2021283542-A1 · Sep 16, 2021 · US
Panel filter with molded frame and integral seal
US-11033846-B2 · Jun 15, 2021 · US
Method for producing a filter element provided with a sealing part
US-10960333-B2 · Mar 30, 2021 · US
Annular filter element, in particular for gas filtration
US-10773201-B2 · Sep 15, 2020 · US
Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using
US-10751660-B2 · Aug 25, 2020 · US
Air cleaner, components thereof, and methods
US-2020246741-A1 · Aug 6, 2020 · US
Air filter arrangement; assembly; and, methods
US-2020206671-A1 · Jul 2, 2020 · US
Air filter arrangement; assembly; and, methods
US-2020179862-A1 · Jun 11, 2020 · US
Air filter
US-10646811-B2 · May 12, 2020 · US
Air cleaner, components thereof, and methods
US-10632410-B2 · Apr 28, 2020 · US
Air filter arrangement; assembly; and, methods
US-10603618-B2 · Mar 31, 2020 · US
Porous textile fabric, filter element, method for the production thereof and use thereof
US-2020055002-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2271/025?
- CPC B01D2271/025 is the Cooperative Patent Classification code for “Making of sealings.”
- How many patents are filed under CPC B01D2271/025 (Making of sealings)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC B01D2271/025 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).