| 2025/0116,192 | ASYMMETRIC HYDRAULIC SUPPORTS FOR PSEUDO INCLINED MINING IN STEEPLY DIPPING SEAM | Oct 08, 24 | Apr 10, 25 | XI'AN UNIVERSITY OF SCIENCE AND TECHNOLOGY |
| 2025/0109,689 | ROTARY DIGGING DRILL AND AMPHIBIOUS TUNNEL CONSTRUCTION ROBOT USING SAME | Apr 19, 23 | Apr 03, 25 | Not available |
| 2025/0101,868 | VISUALIZATION GROUTING DEVICE FOR COAL AND ROCK FISSURES AND TEST METHOD | Oct 24, 24 | Mar 27, 25 | Not available |
| 2025/0101,869 | SUPPORT PROP | Sep 16, 24 | Mar 27, 25 | Not available |
| 2025/0102,701 | METHOD AND DEVICE FOR IDENTIFYING FULL-SECTION EXCAVATION PARAMETERS OF LARGE-SECTION TUNNEL WITH BROKEN SURROUNDING ROCK | Oct 11, 24 | Mar 27, 25 | Not available |
| 2025/0093,141 | SHOTCRETE GAUGE | Oct 04, 23 | Mar 20, 25 | Not available |
| 2025/0095,177 | METHOD AND SYSTEM FOR AUTOMATICALLY COLLECTING MULTIPLE INFORMATION OF TUNNEL DURING CONSTRUCTION PERIOD | Nov 22, 24 | Mar 20, 25 | Not available |
| 2025/0092,787 | ROCK BOLT | Sep 18, 24 | Mar 20, 25 | Not available |
| 2025/0092,786 | GROOVE-TYPE SKELETON, SEALED LINING STRUCTURE, UNDERGROUND GAS STORAGE AND CONSTRUCTION METHOD | Jun 07, 24 | Mar 20, 25 | Institute of Rock and Soil Mechanics, Chinese Academy of Sciences |
| 2025/0067,176 | Systems And Methods For Non-Contact Boring | Nov 08, 24 | Feb 27, 25 | Not available |
| 2025/0067,177 | CONTROL APPARATUS AND METHOD FOR BUOYANCY ADJUSTMENT OF SHIELD TUNNEL SEGMENTS | Oct 29, 24 | Feb 27, 25 | Not available |
| 2025/0067,178 | BULK RESIN INJECTION SYSTEM | Aug 23, 24 | Feb 27, 25 | Not available |
| 2025/0059,890 | GROUT PLUG WITH GASKET FOR POCKET FORMER | Aug 15, 23 | Feb 20, 25 | Not available |
| 2025/0034,996 | AUTOMATIC SUPPORT DEVICE FOR RESISTING ROCK BURST IN MINES | Aug 29, 24 | Jan 30, 25 | Not available |
| 2025/0034,997 | INJECTION DRIVER ASSEMBLY FOR HOLLOW BAR BOLT INSTALLATION | Jul 25, 23 | Jan 30, 25 | Not available |
| 2025/0034,998 | ROCK BOLT | Oct 27, 22 | Jan 30, 25 | Not available |
| 2025/0027,413 | Dual-Power Hydraulic Roof Bolter | May 30, 22 | Jan 23, 25 | Not available |
| 2025/0012,189 | ANTI-CORROSION MATERIAL AND ANTI-CORROSION METHOD FOR SUBMERGED FLOATING TUNNEL PIPE SECTION CONCRETE | Aug 29, 22 | Jan 09, 25 | CCCC SHANGHAI THIRD HARBOUR ENGINEERING SCIENCE & TECHNOLOGY RESEARCH INSTITUTE CO., LTD.; CCCC THIRD HARBOR ENGINEERING CO., LTD.; |
| 2025/0003,337 | VENTILATION METHOD FOR HIGH GAS WORKING FACE BASED ON ALTERNATING INTAKE AND AIR RETURN IN MINE GALLERY | Sep 13, 24 | Jan 02, 25 | Not available |
| 2024/0411,047 | METHOD FOR EVALUATING STABILITY OF TUNNEL SURROUNDING ROCK CONSIDERING CREEP CHARACTERISTICS OF STRUCTURAL PLANE | Mar 19, 24 | Dec 12, 24 | Not available |