View up-to-date information on Sichuan Road & Bridge Group Co Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| CN113464157A | Application | Tunnel excavation supporting trolley and construction method and operation method thereof | E01D15/02; E01D15/127; E21D9/122 | October 01, 2021 |
| CN113446035A | Application | Tunnel waterproof plate installing trolley structure and construction method thereof | E21D11/381; E21D11/406 | September 28, 2021 |
| CN112832263A | Application | Construction method of multi-stage high slope comprehensive ecological protection structure | E03F3/046; A01C7/08; E02D5/76; E02D2600/30; E02D2300/0029; E02D17/20; E02D17/202; E02D2250/003; E02D2300/002 | May 25, 2021 |
| CN112814010A | Application | Construction method of steep terrain high-rise pile cap | E02D15/04; E02D2250/0007; E02D2250/0023; E02D2300/002; E02D2300/0029; E02D27/14; E02D27/32; E02D5/38 | May 18, 2021 |
| CN112813805A | Application | Construction method of stiff skeleton variable cross-section thin-wall hollow high pier | E01D19/02; E01D21/00; E01D2101/26 | May 18, 2021 |
Top Inventors by Filings (Count by publication)
| Name | Count |
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