Carbon sheet, gas diffusion electrode substrate, wound body, and fuel cell (as amended)
US-2018301712-A1 · Oct 18, 2018 · US
by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances}
by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B38/06 |
| Official title | by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances} |
| Display label | by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances} |
| Total patents | 180 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 16 |
| 2017 | 26 |
| 2018 | 27 |
| 2019 | 26 |
| 2020 | 14 |
| 2021 | 13 |
| 2022 | 17 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Porous body, honeycomb filter, method for producing porous body, and method for producing honeycomb filter
US-10099166-B2 · Oct 16, 2018 · US
Ceramic matrix composites having monomodal pore size distribution and low fiber volume fraction
US-2018093926-A1 · Apr 5, 2018 · US
Composite molecular sieve membrane, preparation process and use thereof
US-2018008937-A1 · Jan 11, 2018 · US
Ceramic matrix composites having monomodal pore size distribution and low fiber volume fraction
US-9850174-B2 · Dec 26, 2017 · US
Selected binders for the extrusion of ultra-thin wall cellular ceramics
US-9850170-B2 · Dec 26, 2017 · US
Sintered body and electrostatic chuck
US-2017358476-A1 · Dec 14, 2017 · US
Method of filling a substrate having a selected plurality of channels with a granular material
US-9834475-B2 · Dec 5, 2017 · US
Honeycomb structure
US-2017326539-A1 · Nov 16, 2017 · US
Method for the production of a porous element, and cell of a rechargeable oxide battery
US-9806327-B2 · Oct 31, 2017 · US
Ceramic honeycomb structure and its production method
US-2017298794-A1 · Oct 19, 2017 · US
Exhaust gas purification filter
US-2017284247-A1 · Oct 5, 2017 · US
Shuttle kiln for firing ceramic porous bodies
US-9776922-B2 · Oct 3, 2017 · US
Ceramic matrix composites having monomodal pore size distribution and low fiber volume fraction
US-2017275210-A1 · Sep 28, 2017 · US
Graphite blending method for ceramic shrinkage control
US-9751811-B1 · Sep 5, 2017 · US
Cordierite-type ceramic honeycomb structure and its production method
US-9726066-B2 · Aug 8, 2017 · US
Cordierite-type ceramic honeycomb structure and its production method
US-9708958-B2 · Jul 18, 2017 · US
Flexible composite aerogel and process for producing same
US-2017174576-A1 · Jun 22, 2017 · US
Ceramic honeycomb filter and its production method
US-9682337-B2 · Jun 20, 2017 · US
Porous carbon material and method for manufacturing porous carbon material
US-2017166451-A1 · Jun 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B38/06?
- CPC C04B38/06 is the Cooperative Patent Classification code for “by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances}.”
- How many patents are filed under CPC C04B38/06 (by burning-out added substances {by burning natural expanding materials or by sublimating or melting out added substances})?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC C04B38/06 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).