Self-locking filter cartridge and assembly
US-2024050879-A1 · Feb 15, 2024 · US
Construction of the casing
Construction of the casing · 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 | B01D27/08 |
| Official title | Construction of the casing |
| Display label | Construction of the casing |
| Total patents | 455 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 37 |
| 2017 | 38 |
| 2018 | 40 |
| 2019 | 50 |
| 2020 | 57 |
| 2021 | 44 |
| 2022 | 47 |
| 2023 | 34 |
| 2024 | 41 |
| 2025 | 31 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filtration System with Anti Drain Valve and Drain X-Seal
US-2016332095-A1 · Nov 17, 2016 · US
Pin filter
US-2016332103-A1 · Nov 17, 2016 · US
Replaceable Filter of a Filter Device, and Filter Device
US-2016332096-A1 · Nov 17, 2016 · US
Filter Element
US-2016325212-A1 · Nov 10, 2016 · US
Filter holder and filter arrangement
US-2016296869-A1 · Oct 13, 2016 · US
Filter holder, filter element and filter arrangement
US-2016296868-A1 · Oct 13, 2016 · US
Filter element endplate defining inflow and outflow flow paths
US-9447759-B2 · Sep 20, 2016 · US
Filter cartridge
US-2016220925-A1 · Aug 4, 2016 · US
Spin-On Filter for a Filtering Device for Fluid, Filtering Device, and Filter Head
US-2016193551-A1 · Jul 7, 2016 · US
Filter cartridges and manifolds for linear motion installation
US-9370738-B2 · Jun 21, 2016 · US
Gravity filter designs configured for increased residence time
US-2016167981-A1 · Jun 16, 2016 · US
Spin-on filter without a nut plate
US-2016158675-A1 · Jun 9, 2016 · US
Filter unit with flow regulator
US-9359224-B2 · Jun 7, 2016 · US
Hydraulic spin-on filter cartridge having base plate supporting radially directed seal
US-9358485-B2 · Jun 7, 2016 · US
Mounting bracket for fuel filter
US-2016153411-A1 · Jun 2, 2016 · US
Spin-On Filter for a Filter Device for Fluid, Filter Device and Filter Head of a Filter Device
US-2016144298-A1 · May 26, 2016 · US
Filter cartridge
US-9345995-B2 · May 24, 2016 · US
Water purification cartridge and water purifier
US-2016136545-A1 · May 19, 2016 · US
Water filter audible position indicator
US-2016136547-A1 · May 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D27/08?
- CPC B01D27/08 is the Cooperative Patent Classification code for “Construction of the casing.”
- How many patents are filed under CPC B01D27/08 (Construction of the casing)?
- Our database includes 455 publications tagged with this CPC code.
- Is patent activity under CPC B01D27/08 growing?
- Publication counts under this code: 41 in 2024 vs 31 in 2025 (latest complete years).