| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Switzerland | 4 | |
| #3 | Canada | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Unspecified technologies | |
| #3 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wanke Karl G | 9 |
| #2 | Karl G Wanke | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US2535469A | Sprayer | |
| CA540448A | Circular area irrigators | |
| CA503643A | Sprayers |