Method for producing silicon carbide coated refractory grains and silicon carbide coated refractory grains
US-2025214902-A1 · Jul 3, 2025 · US
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containing chromium oxide or chrome ore
containing chromium oxide or chrome ore · 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 | C04B35/047 |
| Official title | containing chromium oxide or chrome ore |
| Display label | containing chromium oxide or chrome ore |
| Total patents | 15 |
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 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Product containing chromium 3 oxide for glass furnace
US-11905198-B2 · Feb 20, 2024 · US
Castable refractory compositions comprising zeolithic microstructures and uses thereof
US-11130711-B2 · Sep 28, 2021 · US
Product containing chromium 3 oxide for glass furnace
US-2021078893-A1 · Mar 18, 2021 · US
Method for producing a raw material for the production of refractory ceramic products, a raw material produced according to the method and a raw material for producing refractory ceramic products
US-10233122-B2 · Mar 19, 2019 · US
Refractory bricks
US-2018244577-A1 · Aug 30, 2018 · US
Blank for mold production and method for manufacturing mold
US-10040220-B2 · Aug 7, 2018 · US
Method for producing a raw material for the production of refractory ceramic products, a raw material produced according to the method and a raw material for producing refractory ceramic products
US-2018044242-A1 · Feb 15, 2018 · US
Batch for manufacturing a refractory ceramic product, method for applying a gunning mass or casting mass onto a surface, method for manufacturing a refractory ceramic product, a refractory ceramic product, and the use of a batch
US-2017129814-A1 · May 11, 2017 · US
Electrical contact materials and method for preparing the same
US-9570207-B2 · Feb 14, 2017 · US
Blank for mold production and method for manufacturing mold
US-2016346960-A1 · Dec 1, 2016 · US
Blank for mold production and method for manufacturing mold
US-9440375-B2 · Sep 13, 2016 · US
Chromium oxide powder
US-9145320-B2 · Sep 29, 2015 · US
Oxide-ion conductors and related composites and devices
US-9093692-B2 · Jul 28, 2015 · US
Electrical contact materials and method for preparing the same
US-2015155066-A1 · Jun 4, 2015 · US