| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | United Kingdom | 6 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Hydraulic engineering | |
| #3 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferdinand Rauwald | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB344740A | Improvements relating to the construction of dolphins | |
| US1837794A | Sheet metal plank | |
| GB340535A | Sheet metal planks | |
| GB311270A | Improvements in and relating to box moulds for concrete constructions | |
| US1716087A | Sheet-metal piling | |
| GB281294A | Improvements relating to sheet metal piling | |
| GB261943A | Improvements in or relating to building structures either under ground or wholly or partly under water | |
| GB229329A | Improved method of producing box moulds for concrete constructions |