| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Norway | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Contaminated soil reclamation | |
| #2 | Earth drilling | |
| #3 | Foundations and excavations | |
| #4 | Water treatment | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Millgard V Dennis | 10 |
| #2 | Millgard Dennis V | 3 |
| #3 | Kappler Roger H | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CA2117233A1 | Dynamic air remediation apparatus and method for in-situ treatment of contaminated soil | |
| US5307884A | Multi-level sampling device | |
| US5256001A | Cylindrical system for in-situ treatment of underwater contaminated material | |
| US5127765A | System for in-situ treatment of underwater contaminated material | |
| US5135058A | Crane-mounted drill and method for in-situ treatment of contaminated soil |