Spin-on filter with external threads and methods
US-2018326334-A1 · Nov 15, 2018 · US
Making filtering elements
Making 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 | B01D29/111 |
| Official title | {Making filtering elements} |
| Display label | Making filtering elements |
| Total patents | 247 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 15 |
| 2017 | 20 |
| 2018 | 21 |
| 2019 | 15 |
| 2020 | 36 |
| 2021 | 27 |
| 2022 | 25 |
| 2023 | 21 |
| 2024 | 21 |
| 2025 | 21 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-supporting folded sheet material, filter elements, and methods
US-10112130-B2 · Oct 30, 2018 · US
Filter Element and Filter Assembly
US-2018250625-A1 · Sep 6, 2018 · US
Filter with diverse shaped and dimensioned protrusions formed on an end plate of its cylindrically shaped filter material
US-10058801-B2 · Aug 28, 2018 · US
Filter assembly
US-10052576-B2 · Aug 21, 2018 · US
Disk filter and method for the manufacture thereof
US-2018093210-A1 · Apr 5, 2018 · US
Conductive filter element and filter device having a filter element
US-9827515-B2 · Nov 28, 2017 · US
Three-part end cap and filter element including same
US-9808744-B2 · Nov 7, 2017 · US
Liquid filter arrangement and methods
US-2017252682-A1 · Sep 7, 2017 · US
Target generation device, and method for manufacturing filter structure
US-2017203238-A1 · Jul 20, 2017 · US
Spliced fiber-reinforced outer shell for cylindrical filtration element
US-9623379-B2 · Apr 18, 2017 · US
Bagged filter cartridge, system and method
US-9616362-B2 · Apr 11, 2017 · US
Spin-on filter with external threads and methods
US-2017087491-A1 · Mar 30, 2017 · US
Spin-on filter with external threads and methods
US-2017087492-A1 · Mar 30, 2017 · US
Bagged filter cartridge, system and method
US-2017080367-A1 · Mar 23, 2017 · US
Filter and filter media having reduced restriction
US-2017065924-A1 · Mar 9, 2017 · US
Filter elements
US-9579592-B2 · Feb 28, 2017 · US
Joint support system for hydrocyclone liner
US-9573141-B2 · Feb 21, 2017 · US
Screw Press with Filter Plates
US-2017043548-A1 · Feb 16, 2017 · US
Filter element, filter device and method for producing a filter element
US-9566731-B2 · Feb 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D29/111?
- CPC B01D29/111 is the Cooperative Patent Classification code for “Making filtering elements.”
- How many patents are filed under CPC B01D29/111 (Making filtering elements)?
- Our database includes 247 publications tagged with this CPC code.
- Is patent activity under CPC B01D29/111 growing?
- Publication counts under this code: 21 in 2024 vs 21 in 2025 (latest complete years).