| 2025/0035,247 | LINING TUBE FOR RESTORING DEFECTIVE SEWER SHAFTS INCLUDING A BERM AND A CHANNEL, AND METHOD FOR PRODUCING SAME, AND METHOD FOR LINING A DEFECTIVE SEWER SHAFT | Nov 22, 22 | Jan 30, 25 | Not available |
| 2024/0368,874 | SYSTEM AND METHOD FOR SEALING AN ANNULAR SPACE OF A SEWER CONNECTION LINE | Jul 19, 24 | Nov 07, 24 | Gulf Coast Underground, LLC |
| 2024/0125,106 | TRENCH SYSTEM | Oct 09, 23 | Apr 18, 24 | PKG Equipment Inc. |
| 2024/0117,620 | LINING TUBE FOR RECONDITIONING OF DEFECTIVE SEWER PIPES AND METHOD OF PRODUCING AND INSTALLING ONE | Oct 26, 21 | Apr 11, 24 | Not available |
| 2023/0295,914 | SYSTEM AND METHOD FOR SEALING AN ANNULAR SPACE OF A SEWER CONNECTION LINE | Mar 24, 23 | Sep 21, 23 | Gulf Coast Underground, LLC |
| 2022/0228,357 | SYSTEM AND METHOD FOR REHABILITATING A HOST PIPE | Jan 19, 22 | Jul 21, 22 | Not available |
| 2021/0310,230 | TRENCHLESSLY INSTALLED SUBTERRANEAN COLLECTOR DRAIN FOR SURFACE AND SUBSURFACE WATER | Jun 16, 21 | Oct 07, 21 | TRENCHLESS GROUNDWATER MOVERS, LLC |
| 2020/0299,948 | TRENCHLESSLY INSTALLED SUBTERANEAN COLLECTOR DRAIN FOR SURFACE AND SUBSURFACE WATER | Jun 05, 20 | Sep 24, 20 | TRENCHLESS GROUNDWATER MOVERS, LLC |
| 2020/0277,776 | ADJUSTABLE FIXTURES FOR BURIED TUBULARS, FORMING TOOLS FOR DEFINING A HOLE IN THE ADJUSTABLE FIXTURES, AND METHODS OF MANUFACTURING THE ADJUSTABLE FIXTURES | Feb 19, 20 | Sep 03, 20 | Not available |
| 2020/0208,391 | Sewer Hose Liner and Related Methods | Mar 09, 20 | Jul 02, 20 | Not available |
| 2019/0169,830 | TRENCHLESSLY INSTALLED SUBTERANEAN COLLECTOR DRAIN FOR SURFACE AND SUBSURFACE WATER | Dec 05, 17 | Jun 06, 19 | TRENCHLESS GROUNDWATER MOVERS, LLC |
| 2019/0024,359 | MULTI-LAYER LINER FOR WASTE WATER SYSTEM REHABILITATION | Oct 05, 16 | Jan 24, 19 | Not available |
| 2018/0320,359 | Leaching Tube | May 05, 17 | Nov 08, 18 | Not available |
| 2017/0370,089 | Robust Device For Spreading Sand At Predetermined Dimensions And For Placing Ducts In A Sewerage Channel | Jan 13, 16 | Dec 28, 17 | Not available |
| 2017/0081,834 | SEWER LINE ROOT CLEANING AND REPAIR SYSTEM | Sep 17, 15 | Mar 23, 17 | Not available |
| 2017/0073,269 | SYSTEM AND METHOD FOR MAKING AND APPLYING A NON-PORTLAND CEMENT-BASED MATERIAL | Nov 04, 16 | Mar 16, 17 | Not available |
| 2016/0017,590 | Centrifugal Casting Concrete Pipe Method | Jul 01, 15 | Jan 21, 16 | ACTION PRODUCTS MARKETING CORP. |
| 2015/0354,194 | METHODS AND SYSTEMS FOR PULLING PIPE | Jun 04, 15 | Dec 10, 15 | Not available |
| 2013/0243,530 | Deep Trench Rod Loader Apparatus | Jan 26, 12 | Sep 19, 13 | EARTH TOOL COMPANY, LLC |
| 2012/0141,211 | METHOD AND DEVICE FOR LAYING PIPELINES IN THE GROUND | Dec 20, 07 | Jun 07, 12 | Herrenknecht AG |