| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Milling | |
| #3 | Railway bodies | |
| #4 | Cranes | |
| #5 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Legrand Jules | 5 |
| #2 | Jules Legrand | 2 |
| #3 | Grillot Louis | 1 |
| #4 | Paul Guilbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1744392A | Foldable hoisting apparatus for the loading and unloading of rails on railway trucks | |
| GB235791A | Hoisting apparatus for the loading and unloading of rails on railway trucks | |
| GB168487A | Automobile stone-crusher |