Filter System with a Filter Element and a Safety Assembly, a Safety Assembly, and a Filter Element
US-2024082766-A1 · Mar 14, 2024 · US
Radial sealings
Radial sealings · 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 | B01D2201/347 |
| Official title | Radial sealings |
| Display label | Radial sealings |
| Total patents | 393 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 15 |
| 2017 | 30 |
| 2018 | 24 |
| 2019 | 40 |
| 2020 | 58 |
| 2021 | 39 |
| 2022 | 50 |
| 2023 | 35 |
| 2024 | 44 |
| 2025 | 38 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter of a Filter Device for Filtering Fluid and Filter Head of a Filter Device
US-2018229164-A1 · Aug 16, 2018 · US
Filter device
US-2017348623-A1 · Dec 7, 2017 · US
Filter element wave seal gland
US-9821258-B2 · Nov 21, 2017 · US
Three-part end cap and filter element including same
US-9808744-B2 · Nov 7, 2017 · US
Spin-on filter for suction-side and pressure-side applications in filtration systems
US-2017304750-A1 · Oct 26, 2017 · US
Exchangeable Filter of a Treatment Device for Treatment of, in Particular, Liquid Fluids and Treatment Device
US-2017292418-A1 · Oct 12, 2017 · US
Water purifying apparatus and filter structure
US-2017274304-A1 · Sep 28, 2017 · US
Filter Cartridge
US-2017259195-A1 · Sep 14, 2017 · US
Receiver dryer, method of manufacturing receiver dryer and air-conditioning system
US-9759463-B2 · Sep 12, 2017 · US
Filter Element Having Projecting Bayonet-Type Protrusion
US-2017252684-A1 · Sep 7, 2017 · US
Liquid filter arrangement and methods
US-2017252682-A1 · Sep 7, 2017 · US
Clean-Side Water-Separating Filter Element Having Bayonet Connection, and Fuel Filter Having a Filter Element of This Type
US-2017252683-A1 · Sep 7, 2017 · US
Filter element and filter system with siphon venting arrangement
US-2017203243-A1 · Jul 20, 2017 · US
Filter element and filter system for a liquid medium with ventilation on the post-filtration side and on the pre-filtration side
US-2017203242-A1 · Jul 20, 2017 · US
Vented liquid filter vented through media
US-9700818-B2 · Jul 11, 2017 · US
Fuel filter with water separator
US-2017144091-A1 · May 25, 2017 · US
Water conditioning systems having diversion devices
US-2017137303-A1 · May 18, 2017 · US
Fluid conditioning systems having caps with filter cartridge sealing and removal devices and/or locking devices
US-2017136412-A1 · May 18, 2017 · US
Water conditioning systems
US-2017137304-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2201/347?
- CPC B01D2201/347 is the Cooperative Patent Classification code for “Radial sealings.”
- How many patents are filed under CPC B01D2201/347 (Radial sealings)?
- Our database includes 393 publications tagged with this CPC code.
- Is patent activity under CPC B01D2201/347 growing?
- Publication counts under this code: 44 in 2024 vs 38 in 2025 (latest complete years).