Cutting elements, and related earth-boring tools, supporting substrates, and methods
US-2019368278-A1 · Dec 5, 2019 · US
Noble metals
Noble metals · 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 | C04B2235/408 |
| Official title | Noble metals |
| Display label | Noble metals |
| Total patents | 163 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 19 |
| 2018 | 13 |
| 2019 | 21 |
| 2020 | 25 |
| 2021 | 14 |
| 2022 | 12 |
| 2023 | 19 |
| 2024 | 11 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-K LTCC dielectric compositions and devices
US-10494306-B2 · Dec 3, 2019 · US
Method for pyrolyzing preceramic polymer material using electromagnetic radiation
US-10479731-B2 · Nov 19, 2019 · US
Porous honeycomb heat storage structure
US-2019339024-A1 · Nov 7, 2019 · US
Method for manufacturing magnesium-based thermoelectric conversion material, method for manufacturing magnesium-based thermoelectric conversion element, magnesium-based thermoelectric conversion material, magnesium-based thermoelectric conversion element, and thermoelectric conversion device
US-10468577-B2 · Nov 5, 2019 · US
Bulk oxide superconductor and method of production of bulk oxide superconductor
US-10468580-B2 · Nov 5, 2019 · US
Devices and methods for making polycrystalline alloys
US-2019151949-A1 · May 23, 2019 · US
Piezoelectric ceramic, method for the production thereof and electroceramic component comprising the piezoceramic
US-2019140162-A1 · May 9, 2019 · US
Metal borides and uses thereof
US-2019135646-A1 · May 9, 2019 · US
Diamond like carbon (DLC) coating for ethanol-blended fuel injector applications
US-10247157-B2 · Apr 2, 2019 · US
Ceramic slurry compositions and methods of use thereof
US-2019076914-A1 · Mar 14, 2019 · US
Method for manufacturing magnesium-based thermoelectric conversion material, method for manufacturing magnesium-based thermoelectric conversion element, magnesium-based thermoelectric conversion material, magnesium-based thermoelectric conversion element, and thermoelectric conversion device
US-2019067548-A1 · Feb 28, 2019 · US
Ceramic material having a positive slowly release effect, method for manufacturing the same, and system comprising the same
US-2018368416-A1 · Dec 27, 2018 · US
Sputtering target
US-2018355473-A1 · Dec 13, 2018 · US
Ceramic component for timepiece
US-2018305260-A1 · Oct 25, 2018 · US
Metal paste for gas sensor electrode formation
US-10106691-B2 · Oct 23, 2018 · US
Heat-dissipating ceramic foam containing carbonized cellulose particles and method for producing the same
US-2018282232-A1 · Oct 4, 2018 · US
Formation of voids within components formed from porous substrates
US-10087110-B2 · Oct 2, 2018 · US
High-K LTCC dielectric compositions and devices
US-10065894-B2 · Sep 4, 2018 · US
Method for producing dielectric ceramic, and dielectric ceramic
US-2018222800-A1 · Aug 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/408?
- CPC C04B2235/408 is the Cooperative Patent Classification code for “Noble metals.”
- How many patents are filed under CPC C04B2235/408 (Noble metals)?
- Our database includes 163 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/408 growing?
- Publication counts under this code: 11 in 2024 vs 12 in 2025 (latest complete years).