Inlet screen assembly for ultra low NOx gas-air mixing system
US-10480784-B2 · Nov 19, 2019 · US
Curved filtering elements
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 | B01D46/103 |
| Official title | {Curved filtering elements} |
| Display label | Curved filtering elements |
| Total patents | 146 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 16 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 12 |
| 2022 | 20 |
| 2023 | 17 |
| 2024 | 14 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter cartridge for a filter apparatus
US-10464007-B2 · Nov 5, 2019 · US
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
US-2019321766-A1 · Oct 24, 2019 · US
Pleated filter element comprising pleated filter media with edge dams, and method of making and using
US-2019299035-A1 · Oct 3, 2019 · US
Air filtering assembly for a motor vehicle
US-10369505-B2 · Aug 6, 2019 · US
Arc extinguishing gas filtering device for electrical current switchgear and electrical current switchgear comprising this filtering device
US-10347438-B2 · Jul 9, 2019 · US
Filter assembly
US-2019168151-A1 · Jun 6, 2019 · US
Fan assembly
US-2019168150-A1 · Jun 6, 2019 · US
Multistage cyclone and surface cleaning apparatus having same
US-10271704-B2 · Apr 30, 2019 · US
Filter assembly for a vacuum cleaner
US-2019111373-A1 · Apr 18, 2019 · US
Filter element
US-2019054410-A1 · Feb 21, 2019 · US
Inlet Screen Assembly for Ultra Low NOx Gas-Air Mixing System
US-2019049110-A1 · Feb 14, 2019 · US
Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using
US-2018361295-A1 · Dec 20, 2018 · US
Filter Element, in Particular for Gas Filtration
US-2018361296-A1 · Dec 20, 2018 · US
Filter element with flat shape adapted to be locked in curved shape
US-2018333666-A1 · Nov 22, 2018 · US
Arc extinguishing gas filtering device for electrical current switchgear and electrical current switchgear comprising this filtering device
US-2018301292-A1 · Oct 18, 2018 · US
Curved nanofiber products and applications thereof
US-10099165-B2 · Oct 16, 2018 · US
Filter element, in particular for gas filtration
US-10071330-B2 · Sep 11, 2018 · US
Air filtering assembly for a motor vehicle
US-10035093-B2 · Jul 31, 2018 · US
Multistage cyclone and surface cleaning apparatus having same
US-2018177366-A1 · Jun 28, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/103?
- CPC B01D46/103 is the Cooperative Patent Classification code for “Curved filtering elements.”
- How many patents are filed under CPC B01D46/103 (Curved filtering elements)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/103 growing?
- Publication counts under this code: 14 in 2024 vs 10 in 2025 (latest complete years).