| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Environmental technology | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Scaffolding | |
| #3 | Domestic washing | |
| #4 | Measuring length, angles and areas | |
| #5 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boltshauser Conrad | 9 |
| #2 | Conrad Boltshauser | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB190922911A | Machine for the Production of Macadam for Preventing Street Dust. | |
| GB190922912A | An Improved Machine for the Production of Macadam for Preventing Street Dust. |