| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Railway systems | |
| #2 | Cranes | |
| #3 | Machines for making railways | |
| #4 | Electrical vehicle propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petersen Richard | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB423147A | Improvements in hoisting and traversing apparatus | |
| GB348067A | Improvements in and relating to aerial transporters |