Surfactant for carbon dioxide storage
US-2026071518-A1 · Mar 12, 2026 · US
in porous layers
in porous layers · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65G5/005 |
| Official title | {in porous layers} |
| Display label | in porous layers |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of storing hydrogen in salt caverns using fluid derivatives
US-2025388405-A1 · Dec 25, 2025 · US
Method of storing hydrogen gas in a subsurface formation
US-12503639-B2 · Dec 23, 2025 · US
Systems and methods for monitoring storage sites
US-2025346430-A1 · Nov 13, 2025 · US
Hydrogen storage in underground formations using foam
US-2025263237-A1 · Aug 21, 2025 · US
Large deformation underground energy storage device
US-12391481-B2 · Aug 19, 2025 · US
Carbon dioxide enhanced hydrocarbon recovery methods coupled with underground hydrogen storage
US-12359539-B2 · Jul 15, 2025 · US
Multi-well pad storage of h2 and/or nh3 with simultaneous co2 sequestration
US-2025122779-A1 · Apr 17, 2025 · US
Methods of assessing a caprock in a geologic sequence for caprock defects
US-2025116647-A1 · Apr 10, 2025 · US
Large deformation underground energy storage device
US-2025058973-A1 · Feb 20, 2025 · US
Carbon dioxide enhanced hydrocarbon recovery methods coupled with underground hydrogen storage
US-2025027386-A1 · Jan 23, 2025 · US
Tandem circulatory system to reduce the risk of carbon dioxide leakage during carbon dioxide sequestration in saline deep-water aquifers
US-2025002357-A1 · Jan 2, 2025 · US
Method of storing hydrogen gas in a subsurface formation
US-2024376372-A1 · Nov 14, 2024 · US
Apparatus and its operation method of salt cavern gas storage without cushion gas
US-2024083677-A1 · Mar 14, 2024 · US
Method for constructing pumping-injection well of groundwater reservoir in dump of open-pit mine
US-11673747-B2 · Jun 13, 2023 · US
Method for reducing energy and water demands of scrubbing co2 from co2-lean waste gases
US-2023038193-A1 · Feb 9, 2023 · US
Method for constructing pumping-injection well of groundwater reservoir in dump of open-pit mine
US-2023030574-A1 · Feb 2, 2023 · US
Method for reducing energy and water demands of scrubbing CO2 from CO2-lean waste gases
US-11491439-B2 · Nov 8, 2022 · US
Compressed gas energy storage
US-11161694-B2 · Nov 2, 2021 · US
Method for reducing energy and water demands of scrubbing co2 from co2-lean waste gases
US-2021178317-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65G5/005?
- CPC B65G5/005 is the Cooperative Patent Classification code for “in porous layers.”
- How many patents are filed under CPC B65G5/005 (in porous layers)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B65G5/005 growing?
- Publication counts under this code: 2 in 2024 vs 11 in 2025 (latest complete years).