Honeycomb filter
US-10478766-B2 · Nov 19, 2019 · US
Hexagonal
Hexagonal · 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 | B01D46/2492 |
| Official title | {Hexagonal} |
| Display label | Hexagonal |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Honeycomb structure
US-10457009-B2 · Oct 29, 2019 · US
Emissions Control Substrate
US-2019240651-A1 · Aug 8, 2019 · US
Inorganic membrane filter and methods thereof
US-2019202747-A1 · Jul 4, 2019 · US
Anti-microbial air filter
US-10328372-B2 · Jun 25, 2019 · US
Honeycomb structure
US-10315193-B2 · Jun 11, 2019 · US
Honeycomb filter
US-2019160413-A1 · May 30, 2019 · US
Honeycomb structure
US-10265926-B2 · Apr 23, 2019 · US
Honeycomb structure
US-10259188-B2 · Apr 16, 2019 · US
Honeycomb structure
US-10253666-B2 · Apr 9, 2019 · US
Honeycomb structure
US-10232299-B2 · Mar 19, 2019 · US
Plugged honeycomb structure
US-10232300-B2 · Mar 19, 2019 · US
Honeycomb monolith structure
US-10189017-B2 · Jan 29, 2019 · US
Honeycomb monolith structure
US-10150076-B2 · Dec 11, 2018 · US
Packing and column comprising one or more packings
US-2018333669-A1 · Nov 22, 2018 · US
Ceramic honeycomb bodies, honeycomb extrusion dies, and methods of making ceramic honeycomb bodies
US-2018326343-A1 · Nov 15, 2018 · US
Honeycomb filter
US-2018326338-A1 · Nov 15, 2018 · US
Honeycomb structure
US-10105696-B2 · Oct 23, 2018 · US
Honeycomb filter
US-2018280860-A1 · Oct 4, 2018 · US
Honeycomb filter
US-2018280859-A1 · Oct 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/2492?
- CPC B01D46/2492 is the Cooperative Patent Classification code for “Hexagonal.”
- How many patents are filed under CPC B01D46/2492 (Hexagonal)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/2492 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).