| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Scaffolding | |
| #3 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nordgard Per Olov | 6 |
| #2 | Per Olov Nordgard | 6 |
| Publication | Filing date | Title |
|---|---|---|
| CA560892A | Concrete bucket elevator | |
| CA491274A | Front-wheel fitted truck | |
| CA569099A | Fittings for scaffoldings |