Sealed honeycomb structure
US-2016375395-A1 · Dec 29, 2016 · US
of the cells
of the cells · 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 | B01D46/247 |
| Official title | {of the cells} |
| Display label | of the cells |
| Total patents | 432 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 49 |
| 2016 | 33 |
| 2017 | 68 |
| 2018 | 58 |
| 2019 | 47 |
| 2020 | 56 |
| 2021 | 45 |
| 2022 | 32 |
| 2023 | 26 |
| 2024 | 6 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic filter module and catalytic filter system comprising same
US-9504958-B2 · Nov 29, 2016 · US
Honeycomb structure
US-9447716-B2 · Sep 20, 2016 · US
Method for producing honeycomb structures
US-2016263507-A1 · Sep 15, 2016 · US
Cordierite-type ceramic honeycomb structure and its production method
US-2016250577-A1 · Sep 1, 2016 · US
Cordierite porous ceramic honeycomb articles with delayed microcrack evolution
US-9409826-B2 · Aug 9, 2016 · US
Particulate filter
US-2016160720-A1 · Jun 9, 2016 · US
Honeycomb catalyst body
US-9347357-B2 · May 24, 2016 · US
Honeycomb structure
US-9322311-B2 · Apr 26, 2016 · US
Honeycomb air filter and methods thereof
US-2016107114-A1 · Apr 21, 2016 · US
Plugged honeycomb structure
US-9289711-B2 · Mar 22, 2016 · US
Method for manufacturing honeycomb structure
US-2015376072-A1 · Dec 31, 2015 · US
Anti-microbial air filter
US-2015367270-A1 · Dec 24, 2015 · US
Honeycomb filter
US-9217344-B2 · Dec 22, 2015 · US
Dust collecting honeycomb filter
US-9205363-B2 · Dec 8, 2015 · US
Activated carbon filter articles and methods of making and their use
US-2015343418-A1 · Dec 3, 2015 · US
Method of manufacturing honeycomb structured body
US-9199188-B2 · Dec 1, 2015 · US
Novel honeycomb monolith structure
US-2015336094-A1 · Nov 26, 2015 · US
Substrate with surface-collection-layer and catalyst-carrying substrate with surface-collection-layer
US-9175587-B2 · Nov 3, 2015 · US
Substrate with sinuous web and particulate filter incorporating the same
US-2015308311-A1 · Oct 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/247?
- CPC B01D46/247 is the Cooperative Patent Classification code for “of the cells.”
- How many patents are filed under CPC B01D46/247 (of the cells)?
- Our database includes 432 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/247 growing?
- Publication counts under this code: 6 in 2024 vs 11 in 2025 (latest complete years).