Cartridge filter using nanofiber composite fiber yarn and method for manufacturing same
US-11103817-B2 · Aug 31, 2021 · US
with corrugated, folded or wound filtering elements
with corrugated, folded or wound 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 | B01D29/016 |
| Official title | {with corrugated, folded or wound filtering elements} |
| Display label | with corrugated, folded or wound filtering elements |
| Total patents | 100 |
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 | 8 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 16 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filtration media produced using additive manufacturing
US-2021220761-A1 · Jul 22, 2021 · US
Filter media configurations
US-2021060456-A1 · Mar 4, 2021 · US
Filter element configurations
US-2021016214-A1 · Jan 21, 2021 · US
Processes for producing filter cartridge assemblies and molded polyurethane elastomers
US-10851198-B2 · Dec 1, 2020 · US
Filter cartridge for liquid filteration; assembly; and, methods
US-2020330904-A1 · Oct 22, 2020 · US
Filter cartridge for liquid filteration; assembly; and, methods
US-10758847-B2 · Sep 1, 2020 · US
3d printed mechanical locks for end cap potting
US-2020246729-A1 · Aug 6, 2020 · US
3d printed filter center tube
US-2020179836-A1 · Jun 11, 2020 · US
Support and drainage material, filter, and method of use
US-2020129888-A1 · Apr 30, 2020 · US
Support and drainage material, filter, and method of use
US-2020129890-A1 · Apr 30, 2020 · US
Support and drainage material, filter, and method of use
US-2020129889-A1 · Apr 30, 2020 · US
Support and drainage material, filter, and method of use
US-10632402-B1 · Apr 28, 2020 · US
Transmission Oil Filter Assembly
US-2020116052-A1 · Apr 16, 2020 · US
Support and drainage material, filter, and method of use
US-10617978-B1 · Apr 14, 2020 · US
Processes for producing filter cartridge assemblies and molded polyurethane elastomers
US-2020087441-A1 · Mar 19, 2020 · US
Final separator
US-10569205-B2 · Feb 25, 2020 · US
Water separation filter
US-10561968-B2 · Feb 18, 2020 · US
3d printed staged filtration media packs
US-2020023300-A1 · Jan 23, 2020 · US
Filtration media produced using additive manufacturing
US-2020023294-A1 · Jan 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D29/016?
- CPC B01D29/016 is the Cooperative Patent Classification code for “with corrugated, folded or wound filtering elements.”
- How many patents are filed under CPC B01D29/016 (with corrugated, folded or wound filtering elements)?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC B01D29/016 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).