Modified nanoscale zero-valent iron (nZVI) and preparation method and application thereof
US-12589378-B2 · Mar 31, 2026 · US
Chinese Res Acad Env Sciences patents
Chinese Res Acad Env Sciences holds 129 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 129 |
| Recent patents | 32 |
| First publication | Jan 20, 2015 |
| Latest publication | Mar 31, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Simulation system and simulation method for in-situ column experiment in groundwater well
US-12504557-B2 · Dec 23, 2025 · US
Method for predicting leakage risk of landfill based on deep learning
US-2025384509-A1 · Dec 18, 2025 · US
Composite treatment and remediation technology for polluted water and soil
US-12441640-B2 · Oct 14, 2025 · US
Equipment for in-situ restoration of sediment
US-12356908-B2 · Jul 15, 2025 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Modified nanoscale zero-valent iron (nZVI) and preparation method and application thereof
US-12589378-B2 · Mar 31, 2026 · US
Simulation system and simulation method for in-situ column experiment in groundwater well
US-12504557-B2 · Dec 23, 2025 · US
Method for predicting leakage risk of landfill based on deep learning
US-2025384509-A1 · Dec 18, 2025 · US
Composite treatment and remediation technology for polluted water and soil
US-12441640-B2 · Oct 14, 2025 · US
Equipment for in-situ restoration of sediment
US-12356908-B2 · Jul 15, 2025 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| Y02W10/10 | 27 |
| C02F3/34 | 26 |
| C02F2101/20 | 23 |
| C02F9/00 | 23 |
| C02F1/281 | 22 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 81 |
| Operations & Transport | 53 |
| Cross-Sectional Technologies | 51 |
| Physics | 41 |
| Human Necessities | 7 |
| Fixed Constructions | 7 |
| Electricity | 3 |
| Mechanical Engineering | 1 |
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Chinese Res Acad Env Sciences have in patentsdb?
- Chinese Res Acad Env Sciences is linked to 129 publications as assignee in our database.
- What technology areas does Chinese Res Acad Env Sciences patent most?
- Top mapped technology areas by patent count: Chemistry & Metallurgy (81); Operations & Transport (53); Cross-Sectional Technologies (51).
- Is Chinese Res Acad Env Sciences's patent activity growing?
- In our data, assignee counts were 18 in 2024 and 7 in 2025 (lower year over year).
- What are recent patents assigned to Chinese Res Acad Env Sciences?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.