Enhanced fuel water separation using structural embossing
US-2026034481-A1 · Feb 5, 2026 · US
with corrugated, folded filtering elements
with corrugated, folded filtering elements · 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 | B01D29/333 |
| Official title | {with corrugated, folded filtering elements} |
| Display label | with corrugated, folded filtering elements |
| Total patents | 50 |
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 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enhanced fuel water separation using structural embossing
US-12296287-B2 · May 13, 2025 · US
Filter element and associated filter media providing fuel water separation using surface embossing
US-12263419-B2 · Apr 1, 2025 · US
Suction strainer
US-12129879-B2 · Oct 29, 2024 · US
Filter arrangements for liquids and methods of use
US-2024342633-A1 · Oct 17, 2024 · US
Filter arrangements for liquids and methods of use
US-2024342637-A1 · Oct 17, 2024 · US
Suction strainer
US-2024335774-A1 · Oct 10, 2024 · US
Filter with electrically-conductive wrap
US-12076668-B2 · Sep 3, 2024 · US
Filtration media produced using additive manufacturing
US-11969680-B2 · Apr 30, 2024 · US
Filter arrangements for liquids and methods of use
US-2024100453-A1 · Mar 28, 2024 · US
Filter arrangements for liquids and methods of use
US-11857898-B2 · Jan 2, 2024 · US
Filtration media packs produced using additive manufacturing
US-11707892-B2 · Jul 25, 2023 · US
Filter cover protection against external contamination
US-11638889-B2 · May 2, 2023 · US
Filter with electrically-conductive wrap
US-2023025622-A1 · Jan 26, 2023 · US
Filter arrangements for liquids and methods of use
US-2023001334-A1 · Jan 5, 2023 · US
Filter arrangements for liquids and methods of use
US-11446593-B2 · Sep 20, 2022 · US
Filter element and associated filter media providing fuel water separation using surface embossing
US-2022203265-A1 · Jun 30, 2022 · US
Enhanced fuel water separation using structural embossing
US-2022176277-A1 · Jun 9, 2022 · US
Scalable communication switch system
US-2022157479-A1 · May 19, 2022 · US
Suction strainer
US-2022145912-A1 · May 12, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D29/333?
- CPC B01D29/333 is the Cooperative Patent Classification code for “with corrugated, folded filtering elements.”
- How many patents are filed under CPC B01D29/333 (with corrugated, folded filtering elements)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B01D29/333 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).