| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Switzerland | 5 | |
| #3 | Canada | 4 | |
| #4 | United States | 2 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Wheelchairs and sledges | |
| #2 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rantasa Jakob | 16 |
| #2 | Jakob Rantasa | 3 |
| #3 | Kniffler Carl | 1 |
| #4 | Rudolf Ritter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1162806A | Motor-sledge. | |
| CA139815A | Motor sled | |
| US922332A | Sleigh and sled. | |
| CA107004A | Sleigh | |
| GB190704173A | Improvements in Sleighs and Sleds. | |
| CA216736A | Automobile sleigh attachment | |
| CA270675A | Propelling arrangement for sleights |