Filter having media packs arranged in a V-shape and protective grid
US-12539481-B2 · Feb 3, 2026 · US
Circular
Circular · 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 | B01D46/2496 |
| Official title | {Circular} |
| Display label | Circular |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pillar-shaped honeycomb structure filter and method for manufacturing same
US-2024325957-A1 · Oct 3, 2024 · US
Filter having media packs arranged in a v-shape and protective grid
US-2024017198-A1 · Jan 18, 2024 · US
Honeycomb structure, honeycomb structure type catalyst and production methods therefor
US-11305270-B2 · Apr 19, 2022 · US
Honeycomb formed body and method for producing honeycomb structure
US-11261134-B2 · Mar 1, 2022 · US
Plugged honeycomb structure and method for forming plugged honeycomb structure
US-10753244-B2 · Aug 25, 2020 · US
Honeycomb formed body and method for producing honeycomb structure
US-2019300444-A1 · Oct 3, 2019 · US
Inorganic membrane filter and methods thereof
US-2019202747-A1 · Jul 4, 2019 · US
Honeycomb structure, honeycomb structure type catalyst and production methods therefor
US-2019193067-A1 · Jun 27, 2019 · US
Structural body
US-10328391-B2 · Jun 25, 2019 · US
Honeycomb structure
US-10315193-B2 · Jun 11, 2019 · US
Honeycomb filter
US-10286358-B2 · May 14, 2019 · US
Honeycomb air filter and methods thereof
US-10188975-B2 · Jan 29, 2019 · US
Exhaust gas purification device and particulate filter
US-10156170-B2 · Dec 18, 2018 · US
Packing and column comprising one or more packings
US-2018333669-A1 · Nov 22, 2018 · US
Substrate with sinuous web and particulate filter incorporating the same
US-10030554-B2 · Jul 24, 2018 · US
Method of producing honeycomb structural body
US-9950442-B2 · Apr 24, 2018 · US
Honeycomb structure
US-2017326539-A1 · Nov 16, 2017 · US
Plugged honeycomb structure and method for forming plugged honeycomb structure
US-2017314436-A1 · Nov 2, 2017 · US
Honeycomb filter
US-9707516-B2 · Jul 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/2496?
- CPC B01D46/2496 is the Cooperative Patent Classification code for “Circular.”
- How many patents are filed under CPC B01D46/2496 (Circular)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/2496 growing?
- Publication counts under this code: 2 in 2022 vs 2 in 2024 (latest complete years).