Filtration Unit For Processing a Liquid
US-2026061347-A1 · Mar 5, 2026 · US
with curved filtering elements
with curved 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 | B01D29/035 |
| Official title | {with curved filtering elements} |
| Display label | with curved filtering elements |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vacuum cleaner
US-2025380844-A1 · Dec 18, 2025 · US
Vacuum cleaner
US-2025375078-A1 · Dec 11, 2025 · US
Vacuum cleaner
US-2025366683-A1 · Dec 4, 2025 · US
Buoyancy cleaning device for aboveground pool
US-2024391796-A1 · Nov 28, 2024 · US
Buoyancy cleaning device for aboveground pool
US-2024391795-A1 · Nov 28, 2024 · US
Fluid filtering system with backflush valve and methods of operating the same
US-12151187-B2 · Nov 26, 2024 · US
Filtration system
US-2024382879-A1 · Nov 21, 2024 · US
Slurry filtering apparatus and coating system
US-12121833-B2 · Oct 22, 2024 · US
Slurry filtering apparatus and coating system
US-2023249105-A1 · Aug 10, 2023 · US
Buoyancy cleaning device for aboveground pool
US-2022289592-A1 · Sep 15, 2022 · US
Fluid Filtering System With Backflush Valve And Methods Of Operating The Same
US-2022212129-A1 · Jul 7, 2022 · US
Filtering device for removing impurities in a mixture of biological diatomite
US-11260325-B2 · Mar 1, 2022 · US
Oil, debris separator, filter and muffler structure
US-2021331106-A1 · Oct 28, 2021 · US
Filtering device for removing impurities in a mixture of biological diatomite
US-2021205741-A1 · Jul 8, 2021 · US
Serviceable cooling water strainers for straining cooling water in marine propulsion devices
US-11028761-B1 · Jun 8, 2021 · US
Algae separating device and method for producing dry algae
US-10995315-B2 · May 4, 2021 · US
Spray accessory having filter for vehicle washer spray system
US-10780449-B2 · Sep 22, 2020 · US
Pressure control device
US-2020276520-A1 · Sep 3, 2020 · US
Pressure control device
US-2020278037-A1 · Sep 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D29/035?
- CPC B01D29/035 is the Cooperative Patent Classification code for “with curved filtering elements.”
- How many patents are filed under CPC B01D29/035 (with curved filtering elements)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B01D29/035 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).