Cementing a geothermal wellbore
US-12590239-B2 · Mar 31, 2026 · US
the foaming being obtained by the introduction of a gas other than untreated air, e.g. nitrogen
the foaming being obtained by the introduction of a gas other than untreated air, e.g. nitrogen · 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 | C04B38/103 |
| Official title | {the foaming being obtained by the introduction of a gas other than untreated air, e.g. nitrogen} |
| Display label | the foaming being obtained by the introduction of a gas other than untreated air, e.g. nitrogen |
| 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 |
|---|---|
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon sequestration foamed lightweight soil and preparation method thereof
US-12509634-B2 · Dec 30, 2025 · US
Cementing a geothermal wellbore
US-2025368882-A1 · Dec 4, 2025 · US
Novel pressurized foam cement blender utilizing gas for laboratory slurry optimization
US-2025345969-A1 · Nov 13, 2025 · US
Serpentine carbon sequestration foamed lightweight soil and preparation method thereof
US-12258296-B1 · Mar 25, 2025 · US
Serpentine carbon sequestration foamed lightweight soil and preparation method thereof
US-2025074826-A1 · Mar 6, 2025 · US
Foamed mineral binder compositions
US-2024336535-A1 · Oct 10, 2024 · US
Compositions and methods relating to increased carbon dioxide uptake in mixing and curing of concrete
US-2024308904-A1 · Sep 19, 2024 · US
Carbon sequestration foamed lightweight soil and preparation method thereof
US-2024209261-A1 · Jun 27, 2024 · US
Geopolymer foams based on ceramic materials
US-2024199483-A1 · Jun 20, 2024 · US
Enhanced Carbon Sequestration via Foam Cementing
US-2024101888-A1 · Mar 28, 2024 · US
Enhanced carbon sequestration via foam cementing
US-11859122-B2 · Jan 2, 2024 · US
Foamed cementing system including automated gas supply
US-11828133-B1 · Nov 28, 2023 · US
Foamed cementing system including automated gas supply
US-2023374885-A1 · Nov 23, 2023 · US
Methods of forming cured composite materials with optimized ph and related compositions and systems
US-2023242446-A1 · Aug 3, 2023 · US
Sulfate-poor calcium-containing porous mineral materials
US-2023219850-A1 · Jul 13, 2023 · US
Enhanced Carbon Sequestration via Foam Cementing
US-2023118904-A1 · Apr 20, 2023 · US
Methods of forming cured composite materials with optimized pH and related compositions and systems
US-11618714-B2 · Apr 4, 2023 · US
Manufacturing method of ceramic formed body
US-11578006-B2 · Feb 14, 2023 · US
Low pressure carbonation curing of concrete elements and products in an expandable enclosure
US-2022388915-A1 · Dec 8, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B38/103?
- CPC C04B38/103 is the Cooperative Patent Classification code for “the foaming being obtained by the introduction of a gas other than untreated air, e.g. nitrogen.”
- How many patents are filed under CPC C04B38/103 (the foaming being obtained by the introduction of a gas other than untreated air, e.g. nitrogen)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C04B38/103 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).