Flow speed control plate
US-2018339427-A1 · Nov 29, 2018 · US
For multi-channeled structures, e.g. honeycomb structures
For multi-channeled structures, e.g. honeycomb structures · 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 | B28B3/269 |
| Official title | {For multi-channeled structures, e.g. honeycomb structures} |
| Display label | For multi-channeled structures, e.g. honeycomb structures |
| Total patents | 234 |
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 | 17 |
| 2016 | 12 |
| 2017 | 18 |
| 2018 | 18 |
| 2019 | 23 |
| 2020 | 29 |
| 2021 | 31 |
| 2022 | 38 |
| 2023 | 18 |
| 2024 | 20 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ceramic honeycomb bodies, honeycomb extrusion dies, and methods of making ceramic honeycomb bodies
US-2018326343-A1 · Nov 15, 2018 · US
Ceramic honeycomb structure and its production method
US-10077693-B2 · Sep 18, 2018 · US
Manufacturing method of plugged honeycomb structure
US-2018222083-A1 · Aug 9, 2018 · US
Manufacturing method of honeycomb structure
US-2018169896-A1 · Jun 21, 2018 · US
Honeycomb filter plugging and apparatus for honeycomb filter plugging
US-2018147521-A1 · May 31, 2018 · US
Method of producing honeycomb structural body
US-9950442-B2 · Apr 24, 2018 · US
Device, system, and method for lifting and moving formable and/or collapsible parts
US-9908718-B2 · Mar 6, 2018 · US
Honeycomb structure forming die
US-2018043596-A1 · Feb 15, 2018 · US
Honeycomb structure forming die
US-2018043595-A1 · Feb 15, 2018 · US
Honeycomb ceramic substrates, honeycomb extrusion dies, and methods of making honeycomb ceramic substrates
US-2018029030-A1 · Feb 1, 2018 · US
Ceramic honeycomb structure and its production method
US-2018016955-A1 · Jan 18, 2018 · US
Wear resistant coatings for tool dies
US-2018001511-A1 · Jan 4, 2018 · US
Methods of in-line extrudate inspection and feedback control for honeycomb body manufacture
US-2017355102-A1 · Dec 14, 2017 · US
Die body apparatus and methods
US-2017334027-A1 · Nov 23, 2017 · US
Honeycomb ceramic substrates, honeycomb extrusion dies, and methods of making honeycomb ceramic substrates
US-9808794-B2 · Nov 7, 2017 · US
Wear resistant coatings for tool dies
US-9796108-B2 · Oct 24, 2017 · US
Ceramic honeycomb structure and its production method
US-2017298794-A1 · Oct 19, 2017 · US
Ceramic formed body extrusion method, ceramic formed body, and ceramic porous body
US-2017282402-A1 · Oct 5, 2017 · US
Honeycomb structure, and manufacturing method of honeycomb structure
US-2017276049-A1 · Sep 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B28B3/269?
- CPC B28B3/269 is the Cooperative Patent Classification code for “For multi-channeled structures, e.g. honeycomb structures.”
- How many patents are filed under CPC B28B3/269 (For multi-channeled structures, e.g. honeycomb structures)?
- Our database includes 234 publications tagged with this CPC code.
- Is patent activity under CPC B28B3/269 growing?
- Publication counts under this code: 20 in 2024 vs 7 in 2025 (latest complete years).