Ceramic compositions
US-2024360038-A1 · Oct 31, 2024 · US
Drying methods
Drying methods · 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 | C04B33/30 |
| Official title | Drying methods |
| Display label | Drying methods |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Preparation method of fly ash-based ceramic membrane support
US-12071377-B2 · Aug 27, 2024 · US
Preparation Method of Fly Ash-Based Ceramic Membrane Support
US-2024217879-A1 · Jul 4, 2024 · US
Aqueous gelcasting method for ceramic products
US-11851376-B2 · Dec 26, 2023 · US
Porous acid-resistant ceramic media
US-2023219854-A1 · Jul 13, 2023 · US
Porous acid-resistant ceramic media
US-2022259106-A1 · Aug 18, 2022 · US
Aqueous gelcasting formulation for ceramic products
US-11384023-B2 · Jul 12, 2022 · US
Aqueous gelcasting formulation for ceramic products
US-2022098112-A1 · Mar 31, 2022 · US
Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration
US-11279655-B2 · Mar 22, 2022 · US
Method for manufacturing honeycomb structure
US-11156400-B2 · Oct 26, 2021 · US
Method for producing honeycomb structure
US-11110628-B2 · Sep 7, 2021 · US
Systems for and methods of drying the skin of a cellular ceramic ware
US-10960572-B2 · Mar 30, 2021 · US
Method of making waterproof magnesium oxychloride refractory brick by fly ash from municipal solid waste incineration
US-2020399182-A1 · Dec 24, 2020 · US
Aqueous gelcasting method for ceramic products
US-2020391407-A1 · Dec 17, 2020 · US
Aqueous gelcasting formulation for ceramic products
US-2020247718-A1 · Aug 6, 2020 · US
Method for producing honeycomb structure
US-2020238569-A1 · Jul 30, 2020 · US
Ceramic compositions
US-2020140336-A1 · May 7, 2020 · US
Porous acid-resistant ceramic media
US-2020002232-A1 · Jan 2, 2020 · US
Light weight proppant with improved strength and methods of making same
US-10233386-B2 · Mar 19, 2019 · US
Rapid drying of ceramic greenwares
US-10173933-B2 · Jan 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B33/30?
- CPC C04B33/30 is the Cooperative Patent Classification code for “Drying methods.”
- How many patents are filed under CPC C04B33/30 (Drying methods)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C04B33/30 growing?
- Publication counts under this code: 2 in 2023 vs 3 in 2024 (latest complete years).