Soft soil foundation single-hole depth air compression drainage device and working method thereof
US-12359387-B2 · Jul 15, 2025 · US
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Ningbo China Communications Water Transp Design And Research Co Ltd patents
Ningbo China Communications Water Transp Design And Research Co Ltd holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 2 |
| First publication | May 18, 2023 |
| Latest publication | Jul 15, 2025 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Soft soil foundation porous-depth air compression drainage device and working method thereof
US-12264448-B2 · Apr 1, 2025 · US
Soft soil foundation single-hole depth air compression drainage device and working method thereof
US-2023151574-A1 · May 18, 2023 · US
Soft soil foundation porous-depth air compression drainage device and working method thereof
US-2023151573-A1 · May 18, 2023 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Soft soil foundation single-hole depth air compression drainage device and working method thereof
US-12359387-B2 · Jul 15, 2025 · US
Soft soil foundation porous-depth air compression drainage device and working method thereof
US-12264448-B2 · Apr 1, 2025 · US
Soft soil foundation single-hole depth air compression drainage device and working method thereof
US-2023151574-A1 · May 18, 2023 · US
Soft soil foundation porous-depth air compression drainage device and working method thereof
US-2023151573-A1 · May 18, 2023 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 4 |