| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Austria | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Canada | 2 | |
| #5 | Netherlands | 2 | |
| #6 | Switzerland | 1 | |
| #7 | Spain | 1 | |
| #8 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frankignoul Edgard | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US1210160A | Tubing for boring. | |
| GB191310445A | A Process of and Means for Constructing Foundation Walls, Quay Walls, and the like by Means of Concrete Sheet Piles. | |
| CA139102A | Tube for boring | |
| CA139103A | Tube for boring | |
| US1052809A | Tubing for boring. | |
| US1048470A | Tubing for boring. | |
| US1049221A | Foundation. | |
| GB191111557A | Improvements in or pertaining to Foundations. | |
| GB191109919A | Improved Means for Constructing Pile Foundations. | |
| US1048304A | Tubing for boring. |