Carbonized product-containing granules and method for producing them, and use
US-2026049028-A1 · Feb 19, 2026 · US
Cements, e.g. waterglass
Cements, e.g. waterglass · 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 | C04B20/1077 |
| Official title | {Cements, e.g. waterglass} |
| Display label | Cements, e.g. waterglass |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pre-coating pyrolysis char for char bricks
US-2025376418-A1 · Dec 11, 2025 · US
Fire resistant composite rebar for concrete structures
US-2025296880-A1 · Sep 25, 2025 · US
Lightweight cement composition and method of making cured lightweight cement therefrom
US-2025270138-A1 · Aug 28, 2025 · US
Asphalt pellet with calcined gypsum shell
US-2025179298-A1 · Jun 5, 2025 · US
Method for preparing non-sintered shell-wrapped ceramsite using solid waste meanwhile immobilizing heavy metal in river sediment, and non-sintered river-sediment-based ceramsite
US-12221379-B2 · Feb 11, 2025 · US
Aggregate, structural concrete with aggregate, and methods of forming same
US-2024376003-A1 · Nov 14, 2024 · US
Enhanced pozzolan for using in extended life cements
US-12129206-B2 · Oct 29, 2024 · US
Method For Preparing Non-Sintered Shell-Wrapped Ceramsite Using Solid Waste Meanwhile Immobilizing Heavy Metal In River Sediment, And Non-Sintered River-Sediment-Based Ceramsite
US-2024343645-A1 · Oct 17, 2024 · US
Lightweight core-shell aggregate and concrete
US-2024308910-A1 · Sep 19, 2024 · US
Color-adjustable repairing agent and preparation method therefor, and concrete containing repairing agent
US-2024132403-A1 · Apr 25, 2024 · US
Self-repairing materials including spores for concrete repair and oil-based protection of spores
US-2024059857-A1 · Feb 22, 2024 · US
Roofing granules and related articles
US-2023295042-A1 · Sep 21, 2023 · US
Enhanced Pozzolan For Using In Extended Life Cements
US-2023129356-A1 · Apr 27, 2023 · US
Composite cementitious material for cement compositions
US-11613689-B2 · Mar 28, 2023 · US
High-silica-containing supplementary cementitious materials, and method of producing same
US-2023002281-A1 · Jan 5, 2023 · US
Strength retrogression mitigation materials for cement compositions
US-11352544-B2 · Jun 7, 2022 · US
Composite material for slurry yield enhancement
US-11352542-B2 · Jun 7, 2022 · US
Composite material for slurry yield enhancement
US-2021363403-A1 · Nov 25, 2021 · US
Strength retrogression mitigation materials for cement compositions
US-2021332284-A1 · Oct 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B20/1077?
- CPC C04B20/1077 is the Cooperative Patent Classification code for “Cements, e.g. waterglass.”
- How many patents are filed under CPC C04B20/1077 (Cements, e.g. waterglass)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C04B20/1077 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).