Sealed honeycomb structure
US-2016375395-A1 · Dec 29, 2016 · US
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 {; expanded graphite C04B35/536})
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 {; expanded graphite C04B35/536}) · 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 | C04B38/00 |
| Official title | Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 {; expanded graphite C04B35/536}) |
| Display label | Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 {; expanded graphite C04B35/536}) |
| Total patents | 482 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 36 |
| 2017 | 42 |
| 2018 | 57 |
| 2019 | 54 |
| 2020 | 57 |
| 2021 | 48 |
| 2022 | 48 |
| 2023 | 34 |
| 2024 | 36 |
| 2025 | 29 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing porous bodies with enhanced properties
US-2016354759-A1 · Dec 8, 2016 · US
Composite oxygen transport membrane
US-9492784-B2 · Nov 15, 2016 · US
Shrinkage control in aluminum titanate using carbonates
US-9475734-B2 · Oct 25, 2016 · US
Closed pore ceramic composite article
US-9447503-B2 · Sep 20, 2016 · US
Porous Material and Heat Insulating Film
US-2016264479-A1 · Sep 15, 2016 · US
Thermal insulator and method of manufacturing the same
US-2016244371-A1 · Aug 25, 2016 · US
Manufacturing method of honeycomb structure and honeycomb formed body
US-2016243724-A1 · Aug 25, 2016 · US
Magnetic material for antennas, antenna, and wireless communication device
US-9424968-B2 · Aug 23, 2016 · US
Method of fabricating a ceramic article
US-2016229753-A1 · Aug 11, 2016 · US
Method of producing a ceramic article, intermediate article and composition therefor
US-2016229754-A1 · Aug 11, 2016 · US
Ceramic particles with controlled pore and/or microsphere placement and/or size and method of making same
US-9410078-B2 · Aug 9, 2016 · US
Low thermal expansion ceramic bodies containing a benitoite-type phase
US-2016221877-A1 · Aug 4, 2016 · US
Composite substrate for LED light emitting element, method of production of same, and LED light emitting element
US-9387532-B2 · Jul 12, 2016 · US
Porous material, honeycomb structure, and production method for porous material
US-9358529-B2 · Jun 7, 2016 · US
SiC ceramic material, SiC ceramic structure, and their fabrication methods
US-9353013-B2 · May 31, 2016 · US
Porous material and honeycomb structure
US-9346714-B2 · May 24, 2016 · US
Self standing nanoparticle networks/scaffolds with controllable void dimensions
US-2016115079-A1 · Apr 28, 2016 · US
Open-Cell Materials for Use in Thermochemical Fuel Production Processes
US-2016114312-A1 · Apr 28, 2016 · US
Cellular ceramic article and method for manufacturing the same
US-2016090329-A1 · Mar 31, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B38/00?
- CPC C04B38/00 is the Cooperative Patent Classification code for “Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 {; expanded graphite C04B35/536}).”
- How many patents are filed under CPC C04B38/00 (Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 {; expanded graphite C04B35/536}))?
- Our database includes 482 publications tagged with this CPC code.
- Is patent activity under CPC C04B38/00 growing?
- Publication counts under this code: 36 in 2024 vs 29 in 2025 (latest complete years).