| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 3 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Mexico | 3 | |
| #5 | Panama | 2 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wegener Robert J | 13 |
| #2 | Jinnings John W | 13 |
| #3 | John W Jinnings | 2 |
| #4 | Robert J Wegener | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2010074694A1 | Methods for the subterranean support of underground conduits |