Support structure for pleated filter media and methods
US-10413854-B2 · Sep 17, 2019 · US
Pleated filters
Pleated 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 | B01D2201/12 |
| Official title | Pleated filters |
| Display label | Pleated filters |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 19 |
| 2019 | 14 |
| 2020 | 34 |
| 2021 | 16 |
| 2022 | 24 |
| 2023 | 13 |
| 2024 | 18 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel filter with water separator
US-10413851-B2 · Sep 17, 2019 · US
Filter and filter media having reduced restriction
US-10232301-B2 · Mar 19, 2019 · US
Spin-on filter with external threads and methods
US-10220339-B2 · Mar 5, 2019 · US
Folded Filter Media Pack with Varying Channels and Deep Corrugations
US-2019009204-A1 · Jan 10, 2019 · US
Corrugated filter media with modulated corrugations
US-10143955-B2 · Dec 4, 2018 · US
Spin-on filter with external threads and methods
US-2018326334-A1 · Nov 15, 2018 · US
Self-supporting folded sheet material, filter elements, and methods
US-10112130-B2 · Oct 30, 2018 · US
Continuous recycling of wash water with flocculation device and process
US-2018290078-A1 · Oct 11, 2018 · US
Polyethersulfone fiber webs
US-2018290087-A1 · Oct 11, 2018 · US
Filter medium and filter unit
US-10071334-B2 · Sep 11, 2018 · US
Pleated filtration media having tapered flutes
US-10058812-B2 · Aug 28, 2018 · US
Filter device
US-2018229162-A1 · Aug 16, 2018 · US
Return filter
US-2018229157-A1 · Aug 16, 2018 · US
Spin-on filter with external threads and methods
US-10046256-B2 · Aug 14, 2018 · US
Filter cartridge for liquid filteration; assembly; and, methods
US-2018193776-A1 · Jul 12, 2018 · US
Filter medium and filter unit
US-2018147522-A1 · May 31, 2018 · US
Pleated filter cartridge, ballast water treatment device using same, and ballast water treatment method
US-2018140983-A1 · May 24, 2018 · US
Air cleaner filter assembly for motor vehicles operating in extreme weather conditions
US-9964078-B2 · May 8, 2018 · US
Suction strainer
US-2018104628-A1 · Apr 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2201/12?
- CPC B01D2201/12 is the Cooperative Patent Classification code for “Pleated filters.”
- How many patents are filed under CPC B01D2201/12 (Pleated filters)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC B01D2201/12 growing?
- Publication counts under this code: 18 in 2024 vs 9 in 2025 (latest complete years).