| 2024/0368,989 | Shaft Excavator | Jul 21, 22 | Nov 07, 24 | REDPATH DEILMANN GmbH |
| 2016/0003,042 | LINER SYSTEM FOR SALT MINE SHAFTS | Jul 01, 15 | Jan 07, 16 | Not available |
| 2014/0327,293 | FREE-WHEELING-RESISTANT ROLLS FOR MINING ROOF SUPPORT AND THE COMBINATION OF A MINING MACHINE AND SUCH ROLLS | May 09, 14 | Nov 06, 14 | The Tensar Corporation |
| 2014/0126,961 | LOW PROFILE CAN DESCENDER | Nov 05, 12 | May 08, 14 | Not available |
| 2014/0050,532 | MESH HANDLING APPARATUS AND RELATED METHODS | Aug 19, 13 | Feb 20, 14 | J.H. Fletcher & Co. |
| 2013/0343,822 | LINER SYSTEM FOR MINES, TUNNELS AND OTHER GROUND STRUCTURES | Mar 14, 13 | Dec 26, 13 | Not available |
| 2013/0051,918 | METHOD OF REINFORCING IRREGULAR STRUCTURES | May 10, 11 | Feb 28, 13 | 3M INNOVATIVE PROPERTIES COMPANY |
| 2013/0017,022 | UNDERGROUND MINING RIB SUPPORT SYSTEM AND METHOD | Mar 28, 12 | Jan 17, 13 | Not available |
| 2010/0266,349 | Impact Resistant Lagging, Method For Designing Impact Resistant Lagging, and Apparatus for Testing Impact Resistant Lagging | Feb 26, 10 | Oct 21, 10 | FCI HOLDINGS DELAWARE, INC. |
| 2010/0054,859 | Hydraulic Sliding Insertion Panel and Its Using Method | Jun 28, 07 | Mar 04, 10 | Not available |
| 2010/0034,595 | Friction stabilizers and roof bolt head markings | Aug 06, 08 | Feb 11, 10 | DSI UNDERGROUND SYSTEMS, INC., FCI HOLDINGS DELAWARE, INC., |
| 2006/0140,727 | Hydraulic-forced resonance-free vibratory sheet piling driving and extraction machine | Dec 28, 04 | Jun 29, 06 | STAALDAM BEHEER B.V. |
| 2006/0115,335 | Apparatus and method for retroactively installing sensors on marine elements | Nov 03, 05 | Jun 01, 06 | SHELL OIL COMPANY |
| 2006/0056,923 | Debris flow retaining apparatus | Sep 16, 04 | Mar 16, 06 | Not available |
| 2005/0271,480 | Anchor system for use in forming barrier walls | Jun 04, 04 | Dec 08, 05 | CMI LIMITED CO. |
| 2005/0141,970 | Earth retaining safety framework and system | Dec 27, 04 | Jun 30, 05 | Not available |
| 2005/0074,300 | Trench shoring device | Oct 03, 03 | Apr 07, 05 | Not available |
| 2005/0074,301 | Trench shoring system | Sep 20, 04 | Apr 07, 05 | Not available |
| 2005/0025,581 | Shoring leg with node connectors | May 10, 04 | Feb 03, 05 | BRAND SERVICES, LLC, UBS AG, |
| 2004/0179,899 | Reinforced soil arch | Jul 08, 03 | Sep 16, 04 | Terratech Consulting Ltd. |